13231707444 has 72 divisors (see below), whose sum is σ = 36954066240. Its totient is φ = 3970636032.

The previous prime is 13231707367. The next prime is 13231707473. The reversal of 13231707444 is 44470713231.

13231707444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 13231707399 and 13231707408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 455934 + ... + 484085.

It is an arithmetic number, because the mean of its divisors is an integer number (513250920).

Almost surely, 2^13231707444 is an apocalyptic number.

It is an amenable number.

13231707444 is an abundant number, since it is smaller than the sum of its proper divisors (23722358796).

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

13231707444 is a wasteful number, since it uses less digits than its factorization.

13231707444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940069 (or 940064 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 13231707444 in words is "thirteen billion, two hundred thirty-one million, seven hundred seven thousand, four hundred forty-four".