113131311401
This number is a prime.
11 3131311401
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The concatenation of all the 3-digit primes with sum of digits 5, i.e., 113, 131, 311, 401 is also prime. [Loungrides]
Submitted: 2015-07-23 19:30:41; Last Modified: 2018-10-22 11:33:08.
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