13131231243204 has 48 divisors (see below), whose sum is σ = 30735314973440. Its totient is φ = 4363397644320.

The previous prime is 13131231243203. The next prime is 13131231243223. The reversal of 13131231243204 is 40234213213131.

It is not an unprimeable number, because it can be changed into a prime (13131231243203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38992287 + ... + 39327609.

Almost surely, 2^{13131231243204} is an apocalyptic number.

It is an amenable number.

13131231243204 is an abundant number, since it is smaller than the sum of its proper divisors (17604083730236).

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

13131231243204 is a wasteful number, since it uses less digits than its factorization.

13131231243204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345520 (or 345518 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 13131231243204 its reverse (40234213213131), we get a palindrome (53365444456335).

The spelling of 13131231243204 in words is "thirteen trillion, one hundred thirty-one billion, two hundred thirty-one million, two hundred forty-three thousand, two hundred four".