431422012 has 24 divisors (see below), whose sum is σ = 876992480. Its totient is φ = 181863360.

The previous prime is 431421959. The next prime is 431422087. The reversal of 431422012 is 210224134.

It is a super-2 number, since 2×431422012² = 372249904876256288, 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, 124587 + ... + 128002.

Almost surely, 2^431422012 is an apocalyptic number.

It is an amenable number.

431422012 is an abundant number, since it is smaller than the sum of its proper divisors (445570468).

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

431422012 is a wasteful number, since it uses less digits than its factorization.

431422012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252661 (or 252659 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 431422012 is about 20770.7008066651. The cubic root of 431422012 is about 755.6153409279.

Adding to 431422012 its reverse (210224134), we get a palindrome (641646146).

It can be divided in two parts, 43142 and 2012, that added together give a palindrome (45154).

The spelling of 431422012 in words is "four hundred thirty-one million, four hundred twenty-two thousand, twelve".