321344403032 has 32 divisors (see below), whose sum is σ = 640579920480. Its totient is φ = 150786704640.

The previous prime is 321344402999. The next prime is 321344403041. The reversal of 321344403032 is 230304443123.

It is a junction number, because it is equal to n+sod(n) for n = 321344402986 and 321344403004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16466069 + ... + 16485572.

It is an arithmetic number, because the mean of its divisors is an integer number (20018122515).

Almost surely, 2^321344403032 is an apocalyptic number.

It is an amenable number.

321344403032 is a deficient number, since it is larger than the sum of its proper divisors (319235517448).

321344403032 is a wasteful number, since it uses less digits than its factorization.

321344403032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32951723 (or 32951719 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 321344403032 its reverse (230304443123), we get a palindrome (551648846155).

The spelling of 321344403032 in words is "three hundred twenty-one billion, three hundred forty-four million, four hundred three thousand, thirty-two".