431342244 has 36 divisors (see below), whose sum is σ = 1099996716. Its totient is φ = 142507008.

The previous prime is 431342243. The next prime is 431342279. The reversal of 431342244 is 442243134.

It is a happy number.

431342244 is a `hidden beast` number, since 431 + 3 + 4 + 224 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20793600 + 410548644 = 4560^2 + 20262^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×431342244² = 372112262917911072, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (431342243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48949 + ... + 57084.

Almost surely, 2^431342244 is an apocalyptic number.

It is an amenable number.

431342244 is an abundant number, since it is smaller than the sum of its proper divisors (668654472).

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

431342244 is a wasteful number, since it uses less digits than its factorization.

431342244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106156 (or 106151 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 431342244 is about 20768.7805130682. The cubic root of 431342244 is about 755.5687680920.

Adding to 431342244 its reverse (442243134), we get a palindrome (873585378).

The spelling of 431342244 in words is "four hundred thirty-one million, three hundred forty-two thousand, two hundred forty-four".