131595862613 has 2 divisors, whose sum is σ = 131595862614. Its totient is φ = 131595862612.

The previous prime is 131595862609. The next prime is 131595862679. The reversal of 131595862613 is 316268595131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88886267044 + 42709595569 = 298138^2 + 206663^2 .

It is a cyclic number.

It is not a de Polignac number, because 131595862613 - 2² = 131595862609 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131595862693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65797931306 + 65797931307.

It is an arithmetic number, because the mean of its divisors is an integer number (65797931307).

Almost surely, 2^131595862613 is an apocalyptic number.

It is an amenable number.

131595862613 is a deficient number, since it is larger than the sum of its proper divisors (1).

131595862613 is an equidigital number, since it uses as much as digits as its factorization.

131595862613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 50.

The spelling of 131595862613 in words is "one hundred thirty-one billion, five hundred ninety-five million, eight hundred sixty-two thousand, six hundred thirteen".