431012412 has 72 divisors (see below), whose sum is σ = 1104903072. Its totient is φ = 141657600.

The previous prime is 431012399. The next prime is 431012423. The reversal of 431012412 is 214210134.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1385737 + ... + 1386047.

It is an arithmetic number, because the mean of its divisors is an integer number (15345876).

Almost surely, 2^431012412 is an apocalyptic number.

It is an amenable number.

431012412 is an abundant number, since it is smaller than the sum of its proper divisors (673890660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431012412 is a wasteful number, since it uses less digits than its factorization.

431012412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 431012412 is about 20760.8384223759. The cubic root of 431012412 is about 755.3761335045.

Adding to 431012412 its reverse (214210134), we get a palindrome (645222546).

The spelling of 431012412 in words is "four hundred thirty-one million, twelve thousand, four hundred twelve".