31320456452265 has 32 divisors (see below), whose sum is σ = 52752404920320. Its totient is φ = 15824423991744.

The previous prime is 31320456452251. The next prime is 31320456452267. The reversal of 31320456452265 is 56225465402313.

It is not a de Polignac number, because 31320456452265 - 2⁸ = 31320456452009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31320456452267) 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, 4749882 + ... + 9230508.

It is an arithmetic number, because the mean of its divisors is an integer number (1648512653760).

Almost surely, 2^{31320456452265} is an apocalyptic number.

It is an amenable number.

31320456452265 is a deficient number, since it is larger than the sum of its proper divisors (21431948468055).

31320456452265 is a wasteful number, since it uses less digits than its factorization.

31320456452265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4505181.

The product of its (nonzero) digits is 5184000, while the sum is 48.

The spelling of 31320456452265 in words is "thirty-one trillion, three hundred twenty billion, four hundred fifty-six million, four hundred fifty-two thousand, two hundred sixty-five".