317931128823 has 32 divisors (see below), whose sum is σ = 533357637120. Its totient is φ = 163643794560.

The previous prime is 317931128821. The next prime is 317931128831. The reversal of 317931128823 is 328821139713.

It is not a de Polignac number, because 317931128823 - 2¹ = 317931128821 is a prime.

It is a super-3 number, since 3×317931128823³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317931128821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6288240 + ... + 6338597.

It is an arithmetic number, because the mean of its divisors is an integer number (16667426160).

Almost surely, 2^317931128823 is an apocalyptic number.

317931128823 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

317931128823 is a deficient number, since it is larger than the sum of its proper divisors (215426508297).

317931128823 is a wasteful number, since it uses less digits than its factorization.

317931128823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12626967.

The product of its digits is 435456, while the sum is 48.

The spelling of 317931128823 in words is "three hundred seventeen billion, nine hundred thirty-one million, one hundred twenty-eight thousand, eight hundred twenty-three".