31455688655413 has 48 divisors (see below), whose sum is σ = 36693883699200. Its totient is φ = 26851688962560.

The previous prime is 31455688655381. The next prime is 31455688655429.

31455688655413 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31455688655413 - 2⁵ = 31455688655381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31455688655483) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2076412563 + ... + 2076427711.

It is an arithmetic number, because the mean of its divisors is an integer number (764455910400).

Almost surely, 2^{31455688655413} is an apocalyptic number.

It is an amenable number.

31455688655413 is a deficient number, since it is larger than the sum of its proper divisors (5238195043787).

31455688655413 is a wasteful number, since it uses less digits than its factorization.

31455688655413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17458 (or 17447 counting only the distinct ones).

The product of its digits is 207360000, while the sum is 64.

The spelling of 31455688655413 in words is "thirty-one trillion, four hundred fifty-five billion, six hundred eighty-eight million, six hundred fifty-five thousand, four hundred thirteen".