321031220213023 has 2 divisors, whose sum is σ = 321031220213024. Its totient is φ = 321031220213022.

The previous prime is 321031220212987. The next prime is 321031220213027. The reversal of 321031220213023 is 320312022130123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321031220213023 - 2³⁷ = 320893781259551 is a prime.

It is a super-2 number, since 2×321031220213023² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321031220213027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160515610106511 + 160515610106512.

It is an arithmetic number, because the mean of its divisors is an integer number (160515610106512).

Almost surely, 2^{321031220213023} is an apocalyptic number.

321031220213023 is a deficient number, since it is larger than the sum of its proper divisors (1).

321031220213023 is an equidigital number, since it uses as much as digits as its factorization.

321031220213023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 321031220213023 its reverse (320312022130123), we get a palindrome (641343242343146).

The spelling of 321031220213023 in words is "three hundred twenty-one trillion, thirty-one billion, two hundred twenty million, two hundred thirteen thousand, twenty-three".