31456522565413 has 16 divisors (see below), whose sum is σ = 35159421652992. Its totient is φ = 27894406752000.

The previous prime is 31456522565383. The next prime is 31456522565477.

31456522565413 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31456522565413 - 2¹⁷ = 31456522434341 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 (31456522565513) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3638181 + ... + 8726362.

It is an arithmetic number, because the mean of its divisors is an integer number (2197463853312).

Almost surely, 2^{31456522565413} is an apocalyptic number.

It is an amenable number.

31456522565413 is a deficient number, since it is larger than the sum of its proper divisors (3702899087579).

31456522565413 is a wasteful number, since it uses less digits than its factorization.

31456522565413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12370236.

The product of its digits is 12960000, while the sum is 52.

The spelling of 31456522565413 in words is "thirty-one trillion, four hundred fifty-six billion, five hundred twenty-two million, five hundred sixty-five thousand, four hundred thirteen".