323312213251 has 2 divisors, whose sum is σ = 323312213252. Its totient is φ = 323312213250.

The previous prime is 323312213201. The next prime is 323312213327. The reversal of 323312213251 is 152312213323.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 323312213251 - 2¹⁵ = 323312180483 is a prime.

It is not a weakly prime, because it can be changed into another prime (323312213201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161656106625 + 161656106626.

It is an arithmetic number, because the mean of its divisors is an integer number (161656106626).

Almost surely, 2^323312213251 is an apocalyptic number.

323312213251 is a deficient number, since it is larger than the sum of its proper divisors (1).

323312213251 is an equidigital number, since it uses as much as digits as its factorization.

323312213251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 28.

Adding to 323312213251 its reverse (152312213323), we get a palindrome (475624426574).

The spelling of 323312213251 in words is "three hundred twenty-three billion, three hundred twelve million, two hundred thirteen thousand, two hundred fifty-one".