13031042026356 has 36 divisors (see below), whose sum is σ = 32939700976000. Its totient is φ = 4343664518928.

The previous prime is 13031042026337. The next prime is 13031042026399. The reversal of 13031042026356 is 65362024013031.

13031042026356 is a `hidden beast` number, since 1 + 3 + 0 + 3 + 10 + 4 + 2 + 0 + 2 + 635 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13031042026356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12874845 + ... + 13850043.

Almost surely, 2^{13031042026356} is an apocalyptic number.

It is an amenable number.

13031042026356 is an abundant number, since it is smaller than the sum of its proper divisors (19908658949644).

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

13031042026356 is a wasteful number, since it uses less digits than its factorization.

13031042026356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346388 (or 1346383 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 13031042026356 its reverse (65362024013031), we get a palindrome (78393066039387).

The spelling of 13031042026356 in words is "thirteen trillion, thirty-one billion, forty-two million, twenty-six thousand, three hundred fifty-six".