13031042331502 has 96 divisors (see below), whose sum is σ = 22146591836160. Its totient is φ = 5741400113280.

The previous prime is 13031042331499. The next prime is 13031042331523. The reversal of 13031042331502 is 20513324013031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259232023 + ... + 259282285.

It is an arithmetic number, because the mean of its divisors is an integer number (230693664960).

Almost surely, 2^{13031042331502} is an apocalyptic number.

13031042331502 is a deficient number, since it is larger than the sum of its proper divisors (9115549504658).

13031042331502 is a wasteful number, since it uses less digits than its factorization.

13031042331502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50658 (or 50645 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 13031042331502 its reverse (20513324013031), we get a palindrome (33544366344533).

The spelling of 13031042331502 in words is "thirteen trillion, thirty-one billion, forty-two million, three hundred thirty-one thousand, five hundred two".