317140 has 24 divisors (see below), whose sum is σ = 676872. Its totient is φ = 124800.

The previous prime is 317123. The next prime is 317159. The reversal of 317140 is 41713.

317140 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in 4 ways, for example, as 75076 + 242064 = 274^2 + 492^2 .

It is a congruent number.

It is an unprimeable number.

317140 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1942 + ... + 2098.

It is an arithmetic number, because the mean of its divisors is an integer number (28203).

2³¹⁷¹⁴⁰ is an apocalyptic number.

It is an amenable number.

317140 is an abundant number, since it is smaller than the sum of its proper divisors (359732).

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

317140 is a wasteful number, since it uses less digits than its factorization.

317140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 317140 is about 563.1518445322. The cubic root of 317140 is about 68.1946556299.

Adding to 317140 its reverse (41713), we get a palindrome (358853).

The spelling of 317140 in words is "three hundred seventeen thousand, one hundred forty", and thus it is an iban number.