431304442431 has 4 divisors (see below), whose sum is σ = 575072589912. Its totient is φ = 287536294952.

The previous prime is 431304442417. The next prime is 431304442441. The reversal of 431304442431 is 134244403134.

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 431304442431 - 2²⁹ = 430767571519 is a prime.

It is a super-2 number, since 2×431304442431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431304442392 and 431304442401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431304442441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71884073736 + ... + 71884073741.

It is an arithmetic number, because the mean of its divisors is an integer number (143768147478).

Almost surely, 2^431304442431 is an apocalyptic number.

431304442431 is a deficient number, since it is larger than the sum of its proper divisors (143768147481).

431304442431 is a wasteful number, since it uses less digits than its factorization.

431304442431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143768147480.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 431304442431 its reverse (134244403134), we get a palindrome (565548845565).

The spelling of 431304442431 in words is "four hundred thirty-one billion, three hundred four million, four hundred forty-two thousand, four hundred thirty-one".