125320034631 has 64 divisors (see below), whose sum is σ = 198539306496. Its totient is φ = 69440716800.

The previous prime is 125320034627. The next prime is 125320034641. The reversal of 125320034631 is 136430023521.

It is not a de Polignac number, because 125320034631 - 2² = 125320034627 is a prime.

It is a super-2 number, since 2×125320034631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125320034621) 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 in 63 ways as a sum of consecutive naturals, for example, 13964976 + ... + 13973946.

It is an arithmetic number, because the mean of its divisors is an integer number (3102176664).

Almost surely, 2^125320034631 is an apocalyptic number.

125320034631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

125320034631 is a deficient number, since it is larger than the sum of its proper divisors (73219271865).

125320034631 is a wasteful number, since it uses less digits than its factorization.

125320034631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9712.

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 125320034631 in words is "one hundred twenty-five billion, three hundred twenty million, thirty-four thousand, six hundred thirty-one".