13120022313231 has 16 divisors (see below), whose sum is σ = 17616788144256. Its totient is φ = 8685067206816.

The previous prime is 13120022313199. The next prime is 13120022313239. The reversal of 13120022313231 is 13231322002131.

It is not a de Polignac number, because 13120022313231 - 2⁵ = 13120022313199 is a prime.

It is a super-2 number, since 2×13120022313231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120022313239) 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, 11739225 + ... + 12808178.

It is an arithmetic number, because the mean of its divisors is an integer number (1101049259016).

Almost surely, 2^{13120022313231} is an apocalyptic number.

13120022313231 is a deficient number, since it is larger than the sum of its proper divisors (4496765831025).

13120022313231 is a wasteful number, since it uses less digits than its factorization.

13120022313231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24548662.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13120022313231 its reverse (13231322002131), we get a palindrome (26351344315362).

The spelling of 13120022313231 in words is "thirteen trillion, one hundred twenty billion, twenty-two million, three hundred thirteen thousand, two hundred thirty-one".