113131

This number is a prime.

+ The smallest 6-digit prime that splits up into two 3-digit primes (113, 131) or three 2-digit primes (11, 31, 31). Note that all the primes are reversible. [Beedassy]

+ The smallest emirp formed from concatenation of two consecutive Sophie Germain primes: (113, 131). [Jha]

(There is one curio for this number that has not yet been approved by an editor.)

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