This number is a composite.
Single Curio View: (Seek other curios for this number)The smallest composite number whose both concatenations with its home prime, (i.e., 311), in order and reverse order, 9311 and 3119 are primes. [Loungrides]
Submitted: 2020-09-26 12:45:39; Last Modified: 2020-09-30 06:37:59.
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