31096972258540 has 24 divisors (see below), whose sum is σ = 65310247158912. Its totient is φ = 12437530728960.

The previous prime is 31096972258511. The next prime is 31096972258559. The reversal of 31096972258540 is 4585227969013.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 78433221 + ... + 78828700.

It is an arithmetic number, because the mean of its divisors is an integer number (2721260298288).

It is a 2-persistent number, because it is pandigital, and so is 2⋅31096972258540 = 62193944517080, but 3⋅31096972258540 = 93290916775620 is not.

Almost surely, 2^{31096972258540} is an apocalyptic number.

It is an amenable number.

31096972258540 is an abundant number, since it is smaller than the sum of its proper divisors (34213274900372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31096972258540 is a wasteful number, since it uses less digits than its factorization.

31096972258540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157271817 (or 157271815 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 61.

The spelling of 31096972258540 in words is "thirty-one trillion, ninety-six billion, nine hundred seventy-two million, two hundred fifty-eight thousand, five hundred forty".