317116420 has 24 divisors (see below), whose sum is σ = 671842584. Its totient is φ = 125723136.

The previous prime is 317116417. The next prime is 317116447. The reversal of 317116420 is 24611713.

It can be written as a sum of positive squares in 4 ways, for example, as 33732864 + 283383556 = 5808^2 + 16834^2 .

It is a super-4 number, since 4×317116420⁴ (a number of 35 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67899 + ... + 72418.

It is an arithmetic number, because the mean of its divisors is an integer number (27993441).

Almost surely, 2^317116420 is an apocalyptic number.

It is an amenable number.

317116420 is an abundant number, since it is smaller than the sum of its proper divisors (354726164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

317116420 is a wasteful number, since it uses less digits than its factorization.

317116420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140439 (or 140437 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 317116420 is about 17807.7629139654. The cubic root of 317116420 is about 681.9296545120.

It can be divided in two parts, 3171 and 16420, that added together give a palindrome (19591).

The spelling of 317116420 in words is "three hundred seventeen million, one hundred sixteen thousand, four hundred twenty".