431321204 has 12 divisors (see below), whose sum is σ = 794539200. Its totient is φ = 204310008.

The previous prime is 431321201. The next prime is 431321213. The reversal of 431321204 is 402123134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431321201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2837564 + ... + 2837715.

It is an arithmetic number, because the mean of its divisors is an integer number (66211600).

Almost surely, 2^431321204 is an apocalyptic number.

It is an amenable number.

431321204 is a deficient number, since it is larger than the sum of its proper divisors (363217996).

431321204 is a wasteful number, since it uses less digits than its factorization.

431321204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5675302 (or 5675300 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 431321204 is about 20768.2739773916. The cubic root of 431321204 is about 755.5564828548.

Adding to 431321204 its reverse (402123134), we get a palindrome (833444338).

The spelling of 431321204 in words is "four hundred thirty-one million, three hundred twenty-one thousand, two hundred four".