13131101232 has 60 divisors (see below), whose sum is σ = 36758793864. Its totient is φ = 4375848960.

The previous prime is 13131101219. The next prime is 13131101239. The reversal of 13131101232 is 23210113131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13131101239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 641232 + ... + 661392.

Almost surely, 2^13131101232 is an apocalyptic number.

13131101232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13131101232 is an abundant number, since it is smaller than the sum of its proper divisors (23627692632).

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

13131101232 is a wasteful number, since it uses less digits than its factorization.

13131101232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24698 (or 24689 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13131101232 its reverse (23210113131), we get a palindrome (36341214363).

The spelling of 13131101232 in words is "thirteen billion, one hundred thirty-one million, one hundred one thousand, two hundred thirty-two".