23311332313 has 4 divisors (see below), whose sum is σ = 24538244560. Its totient is φ = 22084420068.

The previous prime is 23311332299. The next prime is 23311332323. The reversal of 23311332313 is 31323311332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23311332313 - 2⁵ = 23311332281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23311332323) 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, 613456095 + ... + 613456132.

It is an arithmetic number, because the mean of its divisors is an integer number (6134561140).

Almost surely, 2^23311332313 is an apocalyptic number.

It is an amenable number.

23311332313 is a deficient number, since it is larger than the sum of its proper divisors (1226912247).

23311332313 is a wasteful number, since it uses less digits than its factorization.

23311332313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226912246.

The product of its digits is 2916, while the sum is 25.

Adding to 23311332313 its reverse (31323311332), we get a palindrome (54634643645).

The spelling of 23311332313 in words is "twenty-three billion, three hundred eleven million, three hundred thirty-two thousand, three hundred thirteen".