323121313222 has 4 divisors (see below), whose sum is σ = 484681969836. Its totient is φ = 161560656610.

The previous prime is 323121313183. The next prime is 323121313231. The reversal of 323121313222 is 222313121323.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80780328304 + ... + 80780328307.

It is an arithmetic number, because the mean of its divisors is an integer number (121170492459).

Almost surely, 2^323121313222 is an apocalyptic number.

323121313222 is a deficient number, since it is larger than the sum of its proper divisors (161560656614).

323121313222 is a wasteful number, since it uses less digits than its factorization.

323121313222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161560656613.

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

Adding to 323121313222 its reverse (222313121323), we get a palindrome (545434434545).

The spelling of 323121313222 in words is "three hundred twenty-three billion, one hundred twenty-one million, three hundred thirteen thousand, two hundred twenty-two".