431144512 has 14 divisors (see below), whose sum is σ = 855552518. Its totient is φ = 215572224.

The previous prime is 431144503. The next prime is 431144543. The reversal of 431144512 is 215441134.

It can be written as a sum of positive squares in only one way, i.e., 402243136 + 28901376 = 20056^2 + 5376^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3368253 + ... + 3368380.

Almost surely, 2^431144512 is an apocalyptic number.

It is an amenable number.

431144512 is a deficient number, since it is larger than the sum of its proper divisors (424408006).

431144512 is an equidigital number, since it uses as much as digits as its factorization.

431144512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6736645 (or 6736635 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 431144512 is about 20764.0196493839. The cubic root of 431144512 is about 755.4532967848.

Adding to 431144512 its reverse (215441134), we get a palindrome (646585646).

The spelling of 431144512 in words is "four hundred thirty-one million, one hundred forty-four thousand, five hundred twelve".