434143431 has 6 divisors (see below), whose sum is σ = 627096080. Its totient is φ = 289428948.

The previous prime is 434143429. The next prime is 434143447. The reversal of 434143431 is 134341434.

It is not a de Polignac number, because 434143431 - 2¹ = 434143429 is a prime.

It is a super-2 number, since 2×434143431² = 376961037360903522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 434143395 and 434143404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434143471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24119071 + ... + 24119088.

Almost surely, 2^434143431 is an apocalyptic number.

434143431 is a deficient number, since it is larger than the sum of its proper divisors (192952649).

434143431 is a wasteful number, since it uses less digits than its factorization.

434143431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48238165 (or 48238162 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 434143431 is about 20836.1088257861. The cubic root of 434143431 is about 757.2008242469.

Adding to 434143431 its reverse (134341434), we get a palindrome (568484865).

The spelling of 434143431 in words is "four hundred thirty-four million, one hundred forty-three thousand, four hundred thirty-one".