23320131313 has 2 divisors, whose sum is σ = 23320131314. Its totient is φ = 23320131312.

The previous prime is 23320131301. The next prime is 23320131323. The reversal of 23320131313 is 31313102332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22410988209 + 909143104 = 149703^2 + 30152^2 .

It is a cyclic number.

It is not a de Polignac number, because 23320131313 - 2¹³ = 23320123121 is a prime.

It is not a weakly prime, because it can be changed into another prime (23320131323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11660065656 + 11660065657.

It is an arithmetic number, because the mean of its divisors is an integer number (11660065657).

Almost surely, 2^23320131313 is an apocalyptic number.

It is an amenable number.

23320131313 is a deficient number, since it is larger than the sum of its proper divisors (1).

23320131313 is an equidigital number, since it uses as much as digits as its factorization.

23320131313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23320131313 its reverse (31313102332), we get a palindrome (54633233645).

The spelling of 23320131313 in words is "twenty-three billion, three hundred twenty million, one hundred thirty-one thousand, three hundred thirteen".