431304442319 has 4 divisors (see below), whose sum is σ = 431343845400. Its totient is φ = 431265039240.

The previous prime is 431304442307. The next prime is 431304442381. The reversal of 431304442319 is 913244403134.

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 431304442319 - 2²⁰ = 431303393743 is a prime.

It is a super-2 number, since 2×431304442319² (a number of 24 digits) 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 (431304448319) 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, 19685117 + ... + 19707014.

It is an arithmetic number, because the mean of its divisors is an integer number (107835961350).

Almost surely, 2^431304442319 is an apocalyptic number.

431304442319 is a deficient number, since it is larger than the sum of its proper divisors (39403081).

431304442319 is a wasteful number, since it uses less digits than its factorization.

431304442319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39403080.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 431304442319 in words is "four hundred thirty-one billion, three hundred four million, four hundred forty-two thousand, three hundred nineteen".