431012312 has 32 divisors (see below), whose sum is σ = 817118400. Its totient is φ = 213127200.

The previous prime is 431012299. The next prime is 431012327. The reversal of 431012312 is 213210134.

It is a super-2 number, since 2×431012312² = 371543226191170688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367487 + ... + 368657.

It is an arithmetic number, because the mean of its divisors is an integer number (25534950).

Almost surely, 2^431012312 is an apocalyptic number.

It is an amenable number.

431012312 is a deficient number, since it is larger than the sum of its proper divisors (386106088).

431012312 is a wasteful number, since it uses less digits than its factorization.

431012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647 (or 1643 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 431012312 is about 20760.8360139952. The cubic root of 431012312 is about 755.3760750858.

Adding to 431012312 its reverse (213210134), we get a palindrome (644222446).

The spelling of 431012312 in words is "four hundred thirty-one million, twelve thousand, three hundred twelve".