321344403004 has 48 divisors (see below), whose sum is σ = 611179878400. Its totient is φ = 147273163200.

The previous prime is 321344402999. The next prime is 321344403041. The reversal of 321344403004 is 400304443123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13136617 + ... + 13161055.

Almost surely, 2^321344403004 is an apocalyptic number.

It is an amenable number.

321344403004 is a deficient number, since it is larger than the sum of its proper divisors (289835475396).

321344403004 is a wasteful number, since it uses less digits than its factorization.

321344403004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30074 (or 30072 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 321344403004 its reverse (400304443123), we get a palindrome (721648846127).

The spelling of 321344403004 in words is "three hundred twenty-one billion, three hundred forty-four million, four hundred three thousand, four".