31325401632465 has 24 divisors (see below), whose sum is σ = 54298284031680. Its totient is φ = 16706597423904.

The previous prime is 31325401632439. The next prime is 31325401632521. The reversal of 31325401632465 is 56423610452313.

31325401632465 is a `hidden beast` number, since 3 + 1 + 3 + 2 + 5 + 4 + 0 + 1 + 632 + 4 + 6 + 5 = 666.

It is not a de Polignac number, because 31325401632465 - 2⁶ = 31325401632401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 31325401632465.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3209767 + ... + 8541276.

It is an arithmetic number, because the mean of its divisors is an integer number (2262428501320).

Almost surely, 2^{31325401632465} is an apocalyptic number.

It is an amenable number.

31325401632465 is a deficient number, since it is larger than the sum of its proper divisors (22972882399215).

31325401632465 is a wasteful number, since it uses less digits than its factorization.

31325401632465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11810293 (or 11810290 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 31325401632465 in words is "thirty-one trillion, three hundred twenty-five billion, four hundred one million, six hundred thirty-two thousand, four hundred sixty-five".