317311 has 4 divisors (see below), whose sum is σ = 323352. Its totient is φ = 311272.

The previous prime is 317279. The next prime is 317321. The reversal of 317311 is 113713.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113713 = 17 ⋅6689.

It is a cyclic number.

It is not a de Polignac number, because 317311 - 2⁵ = 317279 is a prime.

It is a Duffinian number.

317311 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317321) 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, 2941 + ... + 3046.

It is an arithmetic number, because the mean of its divisors is an integer number (80838).

2³¹⁷³¹¹ is an apocalyptic number.

317311 is a deficient number, since it is larger than the sum of its proper divisors (6041).

317311 is an equidigital number, since it uses as much as digits as its factorization.

317311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6040.

The product of its digits is 63, while the sum is 16.

The square root of 317311 is about 563.3036481330. The cubic root of 317311 is about 68.2069101451.

The spelling of 317311 in words is "three hundred seventeen thousand, three hundred eleven", and thus it is an iban number.