3131325542625 has 128 divisors (see below), whose sum is σ = 6210366210048. Its totient is φ = 1371002112000.

The previous prime is 3131325542537. The next prime is 3131325542641. The reversal of 3131325542625 is 5262455231313.

It is not a de Polignac number, because 3131325542625 - 2⁷ = 3131325542497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7695024 + ... + 8091726.

It is an arithmetic number, because the mean of its divisors is an integer number (48518486016).

Almost surely, 2^{3131325542625} is an apocalyptic number.

3131325542625 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3131325542625 is a deficient number, since it is larger than the sum of its proper divisors (3079040667423).

3131325542625 is a wasteful number, since it uses less digits than its factorization.

3131325542625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396856 (or 396846 counting only the distinct ones).

The product of its digits is 648000, while the sum is 42.

The spelling of 3131325542625 in words is "three trillion, one hundred thirty-one billion, three hundred twenty-five million, five hundred forty-two thousand, six hundred twenty-five".