23131120101312 has 28 divisors (see below), whose sum is σ = 61201088601896. Its totient is φ = 7710373367040.

The previous prime is 23131120101283. The next prime is 23131120101317. The reversal of 23131120101312 is 21310102113132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131120101317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60237291739 + ... + 60237292122.

Almost surely, 2^{23131120101312} is an apocalyptic number.

It is an amenable number.

23131120101312 is an abundant number, since it is smaller than the sum of its proper divisors (38069968500584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23131120101312 is a wasteful number, since it uses less digits than its factorization.

23131120101312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120474583876 (or 120474583866 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 23131120101312 its reverse (21310102113132), we get a palindrome (44441222214444).

The spelling of 23131120101312 in words is "twenty-three trillion, one hundred thirty-one billion, one hundred twenty million, one hundred one thousand, three hundred twelve".