13901312320 has 56 divisors (see below), whose sum is σ = 37831434624. Its totient is φ = 4766163456.

The previous prime is 13901312287. The next prime is 13901312333. The reversal of 13901312320 is 2321310931.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3100732 + ... + 3105211.

Almost surely, 2^13901312320 is an apocalyptic number.

13901312320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13901312320 is an abundant number, since it is smaller than the sum of its proper divisors (23930122304).

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

13901312320 is an equidigital number, since it uses as much as digits as its factorization.

13901312320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6205967 (or 6205957 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 13901312320 in words is "thirteen billion, nine hundred one million, three hundred twelve thousand, three hundred twenty".