321132320322 has 32 divisors (see below), whose sum is σ = 701735353344. Its totient is φ = 97162405200.

The previous prime is 321132320321. The next prime is 321132320339. The reversal of 321132320322 is 223023231123.

It is a super-2 number, since 2×321132320322² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321132320292 and 321132320301.

It is not an unprimeable number, because it can be changed into a prime (321132320321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3717454 + ... + 3802857.

It is an arithmetic number, because the mean of its divisors is an integer number (21929229792).

Almost surely, 2^321132320322 is an apocalyptic number.

321132320322 is an abundant number, since it is smaller than the sum of its proper divisors (380603033022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321132320322 is a wasteful number, since it uses less digits than its factorization.

321132320322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7520974.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 321132320322 its reverse (223023231123), we get a palindrome (544155551445).

The spelling of 321132320322 in words is "three hundred twenty-one billion, one hundred thirty-two million, three hundred twenty thousand, three hundred twenty-two".