13131310432 has 48 divisors (see below), whose sum is σ = 26758892160. Its totient is φ = 6335659008.

The previous prime is 13131310427. The next prime is 13131310433. The reversal of 13131310432 is 23401313131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131310433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2425873 + ... + 2431279.

It is an arithmetic number, because the mean of its divisors is an integer number (557476920).

Almost surely, 2^13131310432 is an apocalyptic number.

It is an amenable number.

13131310432 is an abundant number, since it is smaller than the sum of its proper divisors (13627581728).

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

13131310432 is a wasteful number, since it uses less digits than its factorization.

13131310432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8063 (or 8055 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13131310432 its reverse (23401313131), we get a palindrome (36532623563).

The spelling of 13131310432 in words is "thirteen billion, one hundred thirty-one million, three hundred ten thousand, four hundred thirty-two".