131311

This number is a prime.

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13:13:11 and its reversal 11:31:31 are the only pair of reversible prime times on a 24-hour digit clock each occurring at simultaneously prime hours, prime minutes, and prime seconds. [Beedassy]

Submitted: 2008-01-14 14:53:58;   Last Modified: 2008-01-30 11:28:00.
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