13031131022012 has 12 divisors (see below), whose sum is σ = 22805160395976. Its totient is φ = 6515370908880.

The previous prime is 13031131021999. The next prime is 13031131022051. The reversal of 13031131022012 is 21022013113031.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48499814 + ... + 48767757.

It is an arithmetic number, because the mean of its divisors is an integer number (1900430032998).

Almost surely, 2^{13031131022012} is an apocalyptic number.

It is an amenable number.

13031131022012 is a deficient number, since it is larger than the sum of its proper divisors (9774029373964).

13031131022012 is a wasteful number, since it uses less digits than its factorization.

13031131022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97301068 (or 97301066 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13031131022012 its reverse (21022013113031), we get a palindrome (34053144135043).

The spelling of 13031131022012 in words is "thirteen trillion, thirty-one billion, one hundred thirty-one million, twenty-two thousand, twelve".