431240804 has 12 divisors (see below), whose sum is σ = 755589744. Its totient is φ = 215358024.

The previous prime is 431240801. The next prime is 431240813. The reversal of 431240804 is 408042134.

It is not an unprimeable number, because it can be changed into a prime (431240801) 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, 61874 + ... + 68489.

It is an arithmetic number, because the mean of its divisors is an integer number (62965812).

Almost surely, 2^431240804 is an apocalyptic number.

It is an amenable number.

431240804 is a deficient number, since it is larger than the sum of its proper divisors (324348940).

431240804 is a wasteful number, since it uses less digits than its factorization.

431240804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131194 (or 131192 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 431240804 is about 20766.3382424538. The cubic root of 431240804 is about 755.5095336860.

Adding to 431240804 its reverse (408042134), we get a palindrome (839282938).

The spelling of 431240804 in words is "four hundred thirty-one million, two hundred forty thousand, eight hundred four".