321044243013420 has 96 divisors (see below), whose sum is σ = 907852869697536. Its totient is φ = 84761471904000.

The previous prime is 321044243013371. The next prime is 321044243013427. The reversal of 321044243013420 is 24310342440123.

It is not an unprimeable number, because it can be changed into a prime (321044243013427) 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, 194254597 + ... + 195900323.

It is an arithmetic number, because the mean of its divisors is an integer number (9456800726016).

Almost surely, 2^{321044243013420} is an apocalyptic number.

321044243013420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321044243013420 is an abundant number, since it is smaller than the sum of its proper divisors (586808626684116).

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

321044243013420 is a wasteful number, since it uses less digits than its factorization.

321044243013420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678031 (or 1678029 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 321044243013420 its reverse (24310342440123), we get a palindrome (345354585453543).

The spelling of 321044243013420 in words is "three hundred twenty-one trillion, forty-four billion, two hundred forty-three million, thirteen thousand, four hundred twenty".