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131132444231131 = 740947995621003
BaseRepresentation
bin11101110100001110100110…
…110000011100010111011011
3122012022010202111121202122121
4131310032212300130113123
5114141433221210344011
61142521225132002111
736423002132641240
oct3564164660342733
9565263674552577
10131132444231131
1138867a59175282
121285a41a300337
135822975c29855
142454bb65655c7
1510260c8534e71
hex7743a6c1c5db

131132444231131 has 16 divisors (see below), whose sum is σ = 150545708697600. Its totient is φ = 111890341764288.

The previous prime is 131132444231123. The next prime is 131132444231137.

131132444231131 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 131132444231131 - 23 = 131132444231123 is a prime.

It is a super-2 number, since 2×1311324442311312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131132444231137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46439125 + ... + 49181878.

It is an arithmetic number, because the mean of its divisors is an integer number (9409106793600).

Almost surely, 2131132444231131 is an apocalyptic number.

131132444231131 is a deficient number, since it is larger than the sum of its proper divisors (19413264466469).

131132444231131 is an equidigital number, since it uses as much as digits as its factorization.

131132444231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95621898.

The product of its digits is 20736, while the sum is 34.

The spelling of 131132444231131 in words is "one hundred thirty-one trillion, one hundred thirty-two billion, four hundred forty-four million, two hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 7 409 479 2863 3353 195911 1371377 95621003 669347021 39108990227 45802460437 273762931589 320617223059 18733206318733 131132444231131