131507313727 has 2 divisors, whose sum is σ = 131507313728. Its totient is φ = 131507313726.

The previous prime is 131507313719. The next prime is 131507313733. The reversal of 131507313727 is 727313705131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131507313727 - 2³ = 131507313719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131507313727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131507313757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65753656863 + 65753656864.

It is an arithmetic number, because the mean of its divisors is an integer number (65753656864).

Almost surely, 2^131507313727 is an apocalyptic number.

131507313727 is a deficient number, since it is larger than the sum of its proper divisors (1).

131507313727 is an equidigital number, since it uses as much as digits as its factorization.

131507313727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92610, while the sum is 40.

The spelling of 131507313727 in words is "one hundred thirty-one billion, five hundred seven million, three hundred thirteen thousand, seven hundred twenty-seven".