431378112 has 56 divisors (see below), whose sum is σ = 1245120192. Its totient is φ = 130720000.

The previous prime is 431378089. The next prime is 431378117. The reversal of 431378112 is 211873134.

It is a self number, because there is not a number n which added to its sum of digits gives 431378112.

It is not an unprimeable number, because it can be changed into a prime (431378117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100014 + ... + 104237.

Almost surely, 2^431378112 is an apocalyptic number.

It is an amenable number.

431378112 is an abundant number, since it is smaller than the sum of its proper divisors (813742080).

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

431378112 is a wasteful number, since it uses less digits than its factorization.

431378112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204277 (or 204267 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 431378112 is about 20769.6440027267. The cubic root of 431378112 is about 755.5897104642.

The spelling of 431378112 in words is "four hundred thirty-one million, three hundred seventy-eight thousand, one hundred twelve".