131107502431031 has 32 divisors (see below), whose sum is σ = 155357734080000. Its totient is φ = 110571689644416.

The previous prime is 131107502431021. The next prime is 131107502431057. The reversal of 131107502431031 is 130134205701131.

It is not a de Polignac number, because 131107502431031 - 2⁴² = 126709455919927 is a prime.

It is a super-2 number, since 2×131107502431031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131107502431021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16419935 + ... + 23061423.

It is an arithmetic number, because the mean of its divisors is an integer number (4854929190000).

Almost surely, 2^{131107502431031} is an apocalyptic number.

131107502431031 is a deficient number, since it is larger than the sum of its proper divisors (24250231648969).

131107502431031 is an frugal number, since it uses more digits than its factorization.

131107502431031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6642436 (or 6642422 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 131107502431031 in words is "one hundred thirty-one trillion, one hundred seven billion, five hundred two million, four hundred thirty-one thousand, thirty-one".