Wanna get hitched? Youngest, wealthiest billionaire bachelor is 31

When social networking site Facebook's billionaire co-founder Sean Parker got married, he broke many hearts. Even though the number of billionaire bachelors keeps decreasing each year, we've managed to put together a list of the wealthiest single billionaires, from data provided by Wealth X. But here's a bit of information that can break your heart further: The youngest one of the lot is 31 years old where as everyone else on the list is way above 35.

Scott Duncanis one of the four siblings who are heirs to the energy-pipeline fortune built by their late father. The 31-year-old is reportedly single . His father, Dan Duncan, formerly the richest man in Houston, died in 2010 at age 77.

Check out the world's top ten billionaire bachelors below:

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[caption id="attachment_1266419" align="aligncenter" width="600"] Data provided by Wealth X[/caption]

So with an estimated personal fortune of $15.3 billion, Microsoft cofounder Paul Allen is the world's wealthiest bachelor, according to a Wealth-X top 10 list that includes Italian fashion designer Giorgio Armani and Mikhail Prokhorov, owner of an American basketball team, the Brooklyn Nets.

Allen, who is founder of Vulcan Capital and owner of an American football team, the Seattle Seahawks, and an American basketball team, the Portland Trail Blazers, has never been married and lives full-time on Seattle's Mercer Island. He bought a $27-million, eight-bedroom mansion in the Silicon Valley town of Atherton in mid-November, according to several media reports.

Allen joins other billionaire residents in the Atherton neighborhood, including Google chairman Eric Schmidt, HP chief Meg Whitman and brokerage magnate Charles Schwab.