23331310313 has 2 divisors, whose sum is σ = 23331310314. Its totient is φ = 23331310312.

The previous prime is 23331310297. The next prime is 23331310333. The reversal of 23331310313 is 31301313332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12708503824 + 10622806489 = 112732^2 + 103067^2 .

It is a cyclic number.

It is not a de Polignac number, because 23331310313 - 2⁴ = 23331310297 is a prime.

It is not a weakly prime, because it can be changed into another prime (23331310333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11665655156 + 11665655157.

It is an arithmetic number, because the mean of its divisors is an integer number (11665655157).

Almost surely, 2^23331310313 is an apocalyptic number.

It is an amenable number.

23331310313 is a deficient number, since it is larger than the sum of its proper divisors (1).

23331310313 is an equidigital number, since it uses as much as digits as its factorization.

23331310313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 23331310313 its reverse (31301313332), we get a palindrome (54632623645).

The spelling of 23331310313 in words is "twenty-three billion, three hundred thirty-one million, three hundred ten thousand, three hundred thirteen".