431410442 has 4 divisors (see below), whose sum is σ = 647115666. Its totient is φ = 215705220.

The previous prime is 431410429. The next prime is 431410459. The reversal of 431410442 is 244014134.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 428448601 + 2961841 = 20699^2 + 1721^2 .

It is a super-2 number, since 2×431410442² = 372229938933270728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107852609 + ... + 107852612.

Almost surely, 2^431410442 is an apocalyptic number.

431410442 is a deficient number, since it is larger than the sum of its proper divisors (215705224).

431410442 is a wasteful number, since it uses less digits than its factorization.

431410442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215705223.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 431410442 is about 20770.4222874741. The cubic root of 431410442 is about 755.6085860975.

Adding to 431410442 its reverse (244014134), we get a palindrome (675424576).

The spelling of 431410442 in words is "four hundred thirty-one million, four hundred ten thousand, four hundred forty-two".