317550340 has 48 divisors (see below), whose sum is σ = 682577280. Its totient is φ = 124060160.

The previous prime is 317550263. The next prime is 317550347. The reversal of 317550340 is 43055713.

It is a junction number, because it is equal to n+sod(n) for n = 317550299 and 317550308.

It is not an unprimeable number, because it can be changed into a prime (317550347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159471 + ... + 161449.

It is an arithmetic number, because the mean of its divisors is an integer number (14220360).

Almost surely, 2^317550340 is an apocalyptic number.

It is an amenable number.

317550340 is an abundant number, since it is smaller than the sum of its proper divisors (365026940).

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

317550340 is a wasteful number, since it uses less digits than its factorization.

317550340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172 (or 2170 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 317550340 is about 17819.9421996818. The cubic root of 317550340 is about 682.2405477521.

The spelling of 317550340 in words is "three hundred seventeen million, five hundred fifty thousand, three hundred forty".