90807...70809 (33-digits)

This number is a prime.

908 0706050403 0201020304 0506070809

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A palindromic prime formed by inserting the zero in the descending and ascending concatenation of the other digits. [Silva]

Submitted: 2009-10-11 10:30:27; Last Modified: 2009-10-11 16:13:09.