321320134204 has 12 divisors (see below), whose sum is σ = 576025118928. Its totient is φ = 156741528800.

The previous prime is 321320134139. The next prime is 321320134229. The reversal of 321320134204 is 402431023123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979634392 + ... + 979634719.

It is an arithmetic number, because the mean of its divisors is an integer number (48002093244).

Almost surely, 2^321320134204 is an apocalyptic number.

It is an amenable number.

321320134204 is a deficient number, since it is larger than the sum of its proper divisors (254704984724).

321320134204 is a wasteful number, since it uses less digits than its factorization.

321320134204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959269156 (or 1959269154 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 321320134204 its reverse (402431023123), we get a palindrome (723751157327).

The spelling of 321320134204 in words is "three hundred twenty-one billion, three hundred twenty million, one hundred thirty-four thousand, two hundred four".