13531131360 has 72 divisors (see below), whose sum is σ = 46174990680. Its totient is φ = 3608301312.

The previous prime is 13531131353. The next prime is 13531131421. The reversal of 13531131360 is 6313113531.

13531131360 is a `hidden beast` number, since 1 + 35 + 311 + 313 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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, 4696870 + ... + 4699749.

It is an arithmetic number, because the mean of its divisors is an integer number (641319315).

Almost surely, 2^13531131360 is an apocalyptic number.

13531131360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13531131360 is an abundant number, since it is smaller than the sum of its proper divisors (32643859320).

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

13531131360 is a wasteful number, since it uses less digits than its factorization.

13531131360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9396640 (or 9396629 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

Adding to 13531131360 its reverse (6313113531), we get a palindrome (19844244891).

The spelling of 13531131360 in words is "thirteen billion, five hundred thirty-one million, one hundred thirty-one thousand, three hundred sixty".