321103374232420 has 96 divisors (see below), whose sum is σ = 764415861511680. Its totient is φ = 112320029928960.

The previous prime is 321103374232387. The next prime is 321103374232423. The reversal of 321103374232420 is 24232473301123.

It is a self number, because there is not a number n which added to its sum of digits gives 321103374232420.

It is not an unprimeable number, because it can be changed into a prime (321103374232423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 586899909 + ... + 587446771.

It is an arithmetic number, because the mean of its divisors is an integer number (7962665224080).

Almost surely, 2^{321103374232420} is an apocalyptic number.

It is an amenable number.

321103374232420 is an abundant number, since it is smaller than the sum of its proper divisors (443312487279260).

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

321103374232420 is a wasteful number, since it uses less digits than its factorization.

321103374232420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665765 (or 665763 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 37.

The spelling of 321103374232420 in words is "three hundred twenty-one trillion, one hundred three billion, three hundred seventy-four million, two hundred thirty-two thousand, four hundred twenty".