335333533

This number is a prime.

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The only 9-digit prime-digit prime of form aabaaabaa that can be expressed as sum of three other primes of the same form, i.e., 110111011+112111211+113111311. [Loungrides]

Submitted: 2012-12-21 13:14:08; Last Modified: 2020-05-13 21:48:25.