321323022331 has 2 divisors, whose sum is σ = 321323022332. Its totient is φ = 321323022330.

The previous prime is 321323022281. The next prime is 321323022337. The reversal of 321323022331 is 133220323123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321323022331 - 2¹⁷ = 321322891259 is a prime.

It is a super-2 number, since 2×321323022331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321323022296 and 321323022305.

It is not a weakly prime, because it can be changed into another prime (321323022337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160661511165 + 160661511166.

It is an arithmetic number, because the mean of its divisors is an integer number (160661511166).

Almost surely, 2^321323022331 is an apocalyptic number.

321323022331 is a deficient number, since it is larger than the sum of its proper divisors (1).

321323022331 is an equidigital number, since it uses as much as digits as its factorization.

321323022331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 321323022331 its reverse (133220323123), we get a palindrome (454543345454).

The spelling of 321323022331 in words is "three hundred twenty-one billion, three hundred twenty-three million, twenty-two thousand, three hundred thirty-one".