317342490 has 32 divisors (see below), whose sum is σ = 762091200. Its totient is φ = 84572544.

The previous prime is 317342479. The next prime is 317342497. The reversal of 317342490 is 94243713.

It is not an unprimeable number, because it can be changed into a prime (317342497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90286 + ... + 93734.

It is an arithmetic number, because the mean of its divisors is an integer number (23815350).

Almost surely, 2^317342490 is an apocalyptic number.

317342490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

317342490 is an abundant number, since it is smaller than the sum of its proper divisors (444748710).

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

317342490 is a wasteful number, since it uses less digits than its factorization.

317342490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6526.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 317342490 is about 17814.1092957240. The cubic root of 317342490 is about 682.0916635910.

The spelling of 317342490 in words is "three hundred seventeen million, three hundred forty-two thousand, four hundred ninety".