23131121311113 has 32 divisors (see below), whose sum is σ = 33840573465600. Its totient is φ = 13997691489600.

The previous prime is 23131121311099. The next prime is 23131121311147. The reversal of 23131121311113 is 31111312113132.

It is not a de Polignac number, because 23131121311113 - 2¹² = 23131121307017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23131121351113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53193453 + ... + 53626538.

It is an arithmetic number, because the mean of its divisors is an integer number (1057517920800).

Almost surely, 2^{23131121311113} is an apocalyptic number.

It is an amenable number.

23131121311113 is a deficient number, since it is larger than the sum of its proper divisors (10709452154487).

23131121311113 is a wasteful number, since it uses less digits than its factorization.

23131121311113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106820173.

The product of its digits is 324, while the sum is 24.

Adding to 23131121311113 its reverse (31111312113132), we get a palindrome (54242433424245).

The spelling of 23131121311113 in words is "twenty-three trillion, one hundred thirty-one billion, one hundred twenty-one million, three hundred eleven thousand, one hundred thirteen".