317490330 has 16 divisors (see below), whose sum is σ = 761976864. Its totient is φ = 84664080.

The previous prime is 317490319. The next prime is 317490353. The reversal of 317490330 is 33094713.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 10583011 = 317490330 / (3 + 1 + 7 + 4 + 9 + 0 + 3 + 3 + 0).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5291476 + ... + 5291535.

It is an arithmetic number, because the mean of its divisors is an integer number (47623554).

Almost surely, 2^317490330 is an apocalyptic number.

317490330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

317490330 is an abundant number, since it is smaller than the sum of its proper divisors (444486534).

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

317490330 is a wasteful number, since it uses less digits than its factorization.

317490330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10583021.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 317490330 is about 17818.2583323960. The cubic root of 317490330 is about 682.1975689134.

The spelling of 317490330 in words is "three hundred seventeen million, four hundred ninety thousand, three hundred thirty".