431122432 has 48 divisors (see below), whose sum is σ = 928402020. Its totient is φ = 198967296.

The previous prime is 431122387. The next prime is 431122453. The reversal of 431122432 is 234221134.

It can be written as a sum of positive squares in 2 ways, for example, as 423371776 + 7750656 = 20576^2 + 2784^2 .

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, 18528 + ... + 34720.

Almost surely, 2^431122432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431122432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464201010).

431122432 is an abundant number, since it is smaller than the sum of its proper divisors (497279588).

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

431122432 is a wasteful number, since it uses less digits than its factorization.

431122432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16228 (or 16208 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 431122432 is about 20763.4879536170. The cubic root of 431122432 is about 755.4404003405.

Adding to 431122432 its reverse (234221134), we get a palindrome (665343566).

The spelling of 431122432 in words is "four hundred thirty-one million, one hundred twenty-two thousand, four hundred thirty-two".