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131331012212111 is a prime number
BaseRepresentation
bin11101110111000111100010…
…010101001011010110001111
3122020000010022001022100100112
4131313013202111023112033
5114203211403111241421
61143152344544550235
736443231624634545
oct3567074225132617
9566003261270315
10131331012212111
1138934195668388
12128909b632237b
1358385cc66929a
14246065239bd95
15102b34addc45b
hex7771e254b58f

131331012212111 has 2 divisors, whose sum is σ = 131331012212112. Its totient is φ = 131331012212110.

The previous prime is 131331012212077. The next prime is 131331012212123. The reversal of 131331012212111 is 111212210133131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131331012212111 - 242 = 126932965701007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131331012212011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65665506106055 + 65665506106056.

It is an arithmetic number, because the mean of its divisors is an integer number (65665506106056).

Almost surely, 2131331012212111 is an apocalyptic number.

131331012212111 is a deficient number, since it is larger than the sum of its proper divisors (1).

131331012212111 is an equidigital number, since it uses as much as digits as its factorization.

131331012212111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 131331012212111 its reverse (111212210133131), we get a palindrome (242543222345242).

The spelling of 131331012212111 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, twelve million, two hundred twelve thousand, one hundred eleven".