321131211322 has 16 divisors (see below), whose sum is σ = 482243731200. Its totient is φ = 160383405888.

The previous prime is 321131211311. The next prime is 321131211367. The reversal of 321131211322 is 223112131123.

It is a junction number, because it is equal to n+sod(n) for n = 321131211293 and 321131211302.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 6553858 + ... + 6602674.

It is an arithmetic number, because the mean of its divisors is an integer number (30140233200).

Almost surely, 2^321131211322 is an apocalyptic number.

321131211322 is a deficient number, since it is larger than the sum of its proper divisors (161112519878).

321131211322 is a wasteful number, since it uses less digits than its factorization.

321131211322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52485.

The product of its digits is 432, while the sum is 22.

Adding to 321131211322 its reverse (223112131123), we get a palindrome (544243342445).

The spelling of 321131211322 in words is "three hundred twenty-one billion, one hundred thirty-one million, two hundred eleven thousand, three hundred twenty-two".