431341440443 has 4 divisors (see below), whose sum is σ = 431349224040. Its totient is φ = 431333656848.

The previous prime is 431341440437. The next prime is 431341440469. The reversal of 431341440443 is 344044143134.

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

It is a cyclic number.

It is not a de Polignac number, because 431341440443 - 2²⁴ = 431324663227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431341442443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3808073 + ... + 3919706.

It is an arithmetic number, because the mean of its divisors is an integer number (107837306010).

Almost surely, 2^431341440443 is an apocalyptic number.

431341440443 is a deficient number, since it is larger than the sum of its proper divisors (7783597).

431341440443 is an equidigital number, since it uses as much as digits as its factorization.

431341440443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7783596.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 431341440443 its reverse (344044143134), we get a palindrome (775385583577).

The spelling of 431341440443 in words is "four hundred thirty-one billion, three hundred forty-one million, four hundred forty thousand, four hundred forty-three".