431442012 has 12 divisors (see below), whose sum is σ = 1006698056. Its totient is φ = 143814000.

The previous prime is 431441993. The next prime is 431442029. The reversal of 431442012 is 210244134.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×431442012² = 372284419437216288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 431442012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17976739 + ... + 17976762.

Almost surely, 2^431442012 is an apocalyptic number.

It is an amenable number.

431442012 is an abundant number, since it is smaller than the sum of its proper divisors (575256044).

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

431442012 is a wasteful number, since it uses less digits than its factorization.

431442012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35953508 (or 35953506 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 431442012 is about 20771.1822484903. The cubic root of 431442012 is about 755.6270171003.

Adding to 431442012 its reverse (210244134), we get a palindrome (641686146).

The spelling of 431442012 in words is "four hundred thirty-one million, four hundred forty-two thousand, twelve".