317131825223 has 4 divisors (see below), whose sum is σ = 317164599840. Its totient is φ = 317099050608.

The previous prime is 317131825193. The next prime is 317131825229. The reversal of 317131825223 is 322528131713.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322528131713 = 19 ⋅16975164827.

It is a cyclic number.

It is not a de Polignac number, because 317131825223 - 2⁶ = 317131825159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317131825229) 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, 16372790 + ... + 16392147.

It is an arithmetic number, because the mean of its divisors is an integer number (79291149960).

Almost surely, 2^317131825223 is an apocalyptic number.

317131825223 is a deficient number, since it is larger than the sum of its proper divisors (32774617).

317131825223 is an equidigital number, since it uses as much as digits as its factorization.

317131825223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32774616.

The product of its digits is 60480, while the sum is 38.

Adding to 317131825223 its reverse (322528131713), we get a palindrome (639659956936).

The spelling of 317131825223 in words is "three hundred seventeen billion, one hundred thirty-one million, eight hundred twenty-five thousand, two hundred twenty-three".