13312120131 has 12 divisors (see below), whose sum is σ = 19235399560. Its totient is φ = 8871616800.

The previous prime is 13312120123. The next prime is 13312120177. The reversal of 13312120131 is 13102121331.

It is not a de Polignac number, because 13312120131 - 2³ = 13312120123 is a prime.

It is a super-2 number, since 2×13312120131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13312120831) 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, 233746 + ... + 285063.

Almost surely, 2^13312120131 is an apocalyptic number.

13312120131 is a deficient number, since it is larger than the sum of its proper divisors (5923279429).

13312120131 is a wasteful number, since it uses less digits than its factorization.

13312120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521666 (or 521663 counting only the distinct ones).

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

Adding to 13312120131 its reverse (13102121331), we get a palindrome (26414241462).

The spelling of 13312120131 in words is "thirteen billion, three hundred twelve million, one hundred twenty thousand, one hundred thirty-one".