317085113 has 4 divisors (see below), whose sum is σ = 317708580. Its totient is φ = 316461648.

The previous prime is 317085047. The next prime is 317085121. The reversal of 317085113 is 311580713.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311580713 = 1567 ⋅198839.

It can be written as a sum of positive squares in 2 ways, for example, as 275958544 + 41126569 = 16612^2 + 6413^2 .

It is a cyclic number.

It is not a de Polignac number, because 317085113 - 2¹⁴ = 317068729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317085133) 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, 310970 + ... + 311987.

It is an arithmetic number, because the mean of its divisors is an integer number (79427145).

Almost surely, 2^317085113 is an apocalyptic number.

It is an amenable number.

317085113 is a deficient number, since it is larger than the sum of its proper divisors (623467).

317085113 is an equidigital number, since it uses as much as digits as its factorization.

317085113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623466.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 317085113 is about 17806.8838655167. The cubic root of 317085113 is about 681.9072128335.

The spelling of 317085113 in words is "three hundred seventeen million, eighty-five thousand, one hundred thirteen".