317431431743 has 4 divisors (see below), whose sum is σ = 322635225768. Its totient is φ = 312227637720.

The previous prime is 317431431679. The next prime is 317431431767. The reversal of 317431431743 is 347134134713.

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 317431431743 - 2⁶ = 317431431679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 317431431743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317431431043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2601896921 + ... + 2601897042.

It is an arithmetic number, because the mean of its divisors is an integer number (80658806442).

Almost surely, 2^317431431743 is an apocalyptic number.

317431431743 is a deficient number, since it is larger than the sum of its proper divisors (5203794025).

317431431743 is an equidigital number, since it uses as much as digits as its factorization.

317431431743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5203794024.

The product of its digits is 254016, while the sum is 41.

The spelling of 317431431743 in words is "three hundred seventeen billion, four hundred thirty-one million, four hundred thirty-one thousand, seven hundred forty-three".