23313321331 has 4 divisors (see below), whose sum is σ = 24684693192. Its totient is φ = 21941949472.

The previous prime is 23313321319. The next prime is 23313321377. The reversal of 23313321331 is 13312331332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23313321331 - 2¹⁹ = 23312797043 is a prime.

It is a super-2 number, since 2×23313321331² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23313321296 and 23313321305.

It is not an unprimeable number, because it can be changed into a prime (23313321631) 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 3 ways as a sum of consecutive naturals, for example, 685685905 + ... + 685685938.

It is an arithmetic number, because the mean of its divisors is an integer number (6171173298).

Almost surely, 2^23313321331 is an apocalyptic number.

23313321331 is a deficient number, since it is larger than the sum of its proper divisors (1371371861).

23313321331 is a wasteful number, since it uses less digits than its factorization.

23313321331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371371860.

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

Adding to 23313321331 its reverse (13312331332), we get a palindrome (36625652663).

The spelling of 23313321331 in words is "twenty-three billion, three hundred thirteen million, three hundred twenty-one thousand, three hundred thirty-one".