12031331111313 has 64 divisors (see below), whose sum is σ = 18771969024000. Its totient is φ = 6802076058624.

The previous prime is 12031331111309. The next prime is 12031331111321. The reversal of 12031331111313 is 31311113313021.

It is not a de Polignac number, because 12031331111313 - 2² = 12031331111309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12031331111323) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1312353 + ... + 5077886.

It is an arithmetic number, because the mean of its divisors is an integer number (293312016000).

Almost surely, 2^{12031331111313} is an apocalyptic number.

It is an amenable number.

12031331111313 is a deficient number, since it is larger than the sum of its proper divisors (6740637912687).

12031331111313 is a wasteful number, since it uses less digits than its factorization.

12031331111313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6390374.

The product of its (nonzero) digits is 486, while the sum is 24.

Adding to 12031331111313 its reverse (31311113313021), we get a palindrome (43342444424334).

The spelling of 12031331111313 in words is "twelve trillion, thirty-one billion, three hundred thirty-one million, one hundred eleven thousand, three hundred thirteen".