23330331331 has 2 divisors, whose sum is σ = 23330331332. Its totient is φ = 23330331330.

The previous prime is 23330331289. The next prime is 23330331341. The reversal of 23330331331 is 13313303332.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23330331331 is a prime.

It is a super-2 number, since 2×23330331331² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23330331296 and 23330331305.

It is not a weakly prime, because it can be changed into another prime (23330331341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11665165665 + 11665165666.

It is an arithmetic number, because the mean of its divisors is an integer number (11665165666).

Almost surely, 2^23330331331 is an apocalyptic number.

23330331331 is a deficient number, since it is larger than the sum of its proper divisors (1).

23330331331 is an equidigital number, since it uses as much as digits as its factorization.

23330331331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 23330331331 its reverse (13313303332), we get a palindrome (36643634663).

The spelling of 23330331331 in words is "twenty-three billion, three hundred thirty million, three hundred thirty-one thousand, three hundred thirty-one".