11333...33311 (101-digits)

This number is a prime.

                                          1 1333331313 1311313313 1333313113
1331333311 1111313111 1131311111 1333313313 1131333313 1331311313 1313333311

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A Carrousel palindromic prime: it remains palprime if you change all the digits according to this scheme: 1 ->3->7->9, producing three new palprimes. Found by Emmanuel Vantieghem. [Rivera]

Submitted: 2019-04-18 07:57:25;   Last Modified: 2019-04-18 09:06:17.
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