317026140 has 48 divisors (see below), whose sum is σ = 890289792. Its totient is φ = 84291136.

The previous prime is 317026121. The next prime is 317026187. The reversal of 317026140 is 41620713.

It is a self number, because there is not a number n which added to its sum of digits gives 317026140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13207 + ... + 28433.

It is an arithmetic number, because the mean of its divisors is an integer number (18547704).

Almost surely, 2^317026140 is an apocalyptic number.

317026140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

317026140 is an abundant number, since it is smaller than the sum of its proper divisors (573263652).

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

317026140 is a wasteful number, since it uses less digits than its factorization.

317026140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15586 (or 15584 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 317026140 is about 17805.2278839671. The cubic root of 317026140 is about 681.8649354283.

Adding to 317026140 its reverse (41620713), we get a palindrome (358646853).

The spelling of 317026140 in words is "three hundred seventeen million, twenty-six thousand, one hundred forty".