431112432 has 40 divisors (see below), whose sum is σ = 1172325760. Its totient is φ = 136140480.

The previous prime is 431112427. The next prime is 431112449. The reversal of 431112432 is 234211134.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 431112399 and 431112408.

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, 235444 + ... + 237267.

It is an arithmetic number, because the mean of its divisors is an integer number (29308144).

Almost surely, 2^431112432 is an apocalyptic number.

It is an amenable number.

431112432 is an abundant number, since it is smaller than the sum of its proper divisors (741213328).

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

431112432 is a wasteful number, since it uses less digits than its factorization.

431112432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472741 (or 472735 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 431112432 is about 20763.2471448952. The cubic root of 431112432 is about 755.4345594147.

Adding to 431112432 its reverse (234211134), we get a palindrome (665323566).

The spelling of 431112432 in words is "four hundred thirty-one million, one hundred twelve thousand, four hundred thirty-two".