31948455484913 has 32 divisors (see below), whose sum is σ = 36589838745600. Its totient is φ = 27628555478400.

The previous prime is 31948455484831. The next prime is 31948455484949.

31948455484913 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31948455484913 - 2¹² = 31948455480817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31948455414913) 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, 284808845 + ... + 284920997.

It is an arithmetic number, because the mean of its divisors is an integer number (1143432460800).

Almost surely, 2^{31948455484913} is an apocalyptic number.

It is an amenable number.

31948455484913 is a deficient number, since it is larger than the sum of its proper divisors (4641383260687).

31948455484913 is a wasteful number, since it uses less digits than its factorization.

31948455484913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126413.

The product of its digits is 298598400, while the sum is 68.

The spelling of 31948455484913 in words is "thirty-one trillion, nine hundred forty-eight billion, four hundred fifty-five million, four hundred eighty-four thousand, nine hundred thirteen".