13131523320 has 32 divisors (see below), whose sum is σ = 39394570320. Its totient is φ = 3501739520.

The previous prime is 13131523303. The next prime is 13131523351. The reversal of 13131523320 is 2332513131.

13131523320 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 (24).

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 7 ways as a sum of consecutive naturals, for example, 54714561 + ... + 54714800.

Almost surely, 2^13131523320 is an apocalyptic number.

13131523320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13131523320 is an abundant number, since it is smaller than the sum of its proper divisors (26263047000).

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

13131523320 is a wasteful number, since it uses less digits than its factorization.

13131523320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109429375 (or 109429371 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The spelling of 13131523320 in words is "thirteen billion, one hundred thirty-one million, five hundred twenty-three thousand, three hundred twenty".