23111331313 has 16 divisors (see below), whose sum is σ = 26623949184. Its totient is φ = 19651662720.

The previous prime is 23111331277. The next prime is 23111331323. The reversal of 23111331313 is 31313311132.

It is a cyclic number.

It is not a de Polignac number, because 23111331313 - 2¹³ = 23111323121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23111331323) 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 15 ways as a sum of consecutive naturals, for example, 1547106 + ... + 1561972.

It is an arithmetic number, because the mean of its divisors is an integer number (1663996824).

Almost surely, 2^23111331313 is an apocalyptic number.

It is an amenable number.

23111331313 is a deficient number, since it is larger than the sum of its proper divisors (3512617871).

23111331313 is a wasteful number, since it uses less digits than its factorization.

23111331313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16632.

The product of its digits is 486, while the sum is 22.

Adding to 23111331313 its reverse (31313311132), we get a palindrome (54424642445).

The spelling of 23111331313 in words is "twenty-three billion, one hundred eleven million, three hundred thirty-one thousand, three hundred thirteen".