23111230031013 has 32 divisors (see below), whose sum is σ = 31239474941952. Its totient is φ = 15196518216000.

The previous prime is 23111230031011. The next prime is 23111230031047. The reversal of 23111230031013 is 31013003211132.

It is a happy number.

It is not a de Polignac number, because 23111230031013 - 2¹ = 23111230031011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23111230031011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82937748 + ... + 83215938.

It is an arithmetic number, because the mean of its divisors is an integer number (976233591936).

Almost surely, 2^{23111230031013} is an apocalyptic number.

It is an amenable number.

23111230031013 is a deficient number, since it is larger than the sum of its proper divisors (8128244910939).

23111230031013 is a wasteful number, since it uses less digits than its factorization.

23111230031013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279345.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 23111230031013 its reverse (31013003211132), we get a palindrome (54124233242145).

The spelling of 23111230031013 in words is "twenty-three trillion, one hundred eleven billion, two hundred thirty million, thirty-one thousand, thirteen".