431242343 has 16 divisors (see below), whose sum is σ = 507346944. Its totient is φ = 358888320.

The previous prime is 431242321. The next prime is 431242391. The reversal of 431242343 is 343242134.

It is not a de Polignac number, because 431242343 - 2¹⁰ = 431241319 is a prime.

It is a super-2 number, since 2×431242343² = 371939916792259298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431245343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36623 + ... + 46943.

It is an arithmetic number, because the mean of its divisors is an integer number (31709184).

Almost surely, 2^431242343 is an apocalyptic number.

431242343 is a deficient number, since it is larger than the sum of its proper divisors (76104601).

431242343 is a wasteful number, since it uses less digits than its factorization.

431242343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10502.

The product of its digits is 6912, while the sum is 26.

The square root of 431242343 is about 20766.3752975814. The cubic root of 431242343 is about 755.5104324319.

Adding to 431242343 its reverse (343242134), we get a palindrome (774484477).

The spelling of 431242343 in words is "four hundred thirty-one million, two hundred forty-two thousand, three hundred forty-three".