431321323204 has 48 divisors (see below), whose sum is σ = 798898867200. Its totient is φ = 203453712000.

The previous prime is 431321323171. The next prime is 431321323217. The reversal of 431321323204 is 402323123134.

It is a happy 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, 866637 + ... + 1270315.

It is an arithmetic number, because the mean of its divisors is an integer number (16643726400).

Almost surely, 2^431321323204 is an apocalyptic number.

It is an amenable number.

431321323204 is a deficient number, since it is larger than the sum of its proper divisors (367577543996).

431321323204 is a wasteful number, since it uses less digits than its factorization.

431321323204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403924 (or 403922 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 431321323204 its reverse (402323123134), we get a palindrome (833644446338).

The spelling of 431321323204 in words is "four hundred thirty-one billion, three hundred twenty-one million, three hundred twenty-three thousand, two hundred four".