431003812 has 6 divisors (see below), whose sum is σ = 754256678. Its totient is φ = 215501904.

The previous prime is 431003803. The next prime is 431003813. The reversal of 431003812 is 218300134.

It can be written as a sum of positive squares in only one way, i.e., 375739456 + 55264356 = 19384^2 + 7434^2 .

It is not an unprimeable number, because it can be changed into a prime (431003813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53875473 + ... + 53875480.

Almost surely, 2^431003812 is an apocalyptic number.

It is an amenable number.

431003812 is a deficient number, since it is larger than the sum of its proper divisors (323252866).

431003812 is a wasteful number, since it uses less digits than its factorization.

431003812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107750957 (or 107750955 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 431003812 is about 20760.6313006132. The cubic root of 431003812 is about 755.3711094590.

Adding to 431003812 its reverse (218300134), we get a palindrome (649303946).

The spelling of 431003812 in words is "four hundred thirty-one million, three thousand, eight hundred twelve".