431243430 has 32 divisors (see below), whose sum is σ = 1039029984. Its totient is φ = 114548736.

The previous prime is 431243419. The next prime is 431243443. The reversal of 431243430 is 34342134.

It is a self number, because there is not a number n which added to its sum of digits gives 431243430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20257 + ... + 35676.

It is an arithmetic number, because the mean of its divisors is an integer number (32469687).

Almost surely, 2^431243430 is an apocalyptic number.

431243430 is an abundant number, since it is smaller than the sum of its proper divisors (607786554).

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

431243430 is a wasteful number, since it uses less digits than its factorization.

431243430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56200.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 431243430 is about 20766.4014696817. The cubic root of 431243430 is about 755.5110672174.

Adding to 431243430 its reverse (34342134), we get a palindrome (465585564).

The spelling of 431243430 in words is "four hundred thirty-one million, two hundred forty-three thousand, four hundred thirty".