316317690 has 128 divisors (see below), whose sum is σ = 914699520. Its totient is φ = 77324544.

The previous prime is 316317647. The next prime is 316317697. The reversal of 316317690 is 96713613.

It is a super-2 number, since 2×316317690² = 200113762013872200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (316317697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 796572 + ... + 796968.

It is an arithmetic number, because the mean of its divisors is an integer number (7146090).

Almost surely, 2^316317690 is an apocalyptic number.

316317690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 316317690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457349760).

316317690 is an abundant number, since it is smaller than the sum of its proper divisors (598381830).

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

316317690 is a wasteful number, since it uses less digits than its factorization.

316317690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 316317690 is about 17785.3223192609. The cubic root of 316317690 is about 681.3566413872.

The spelling of 316317690 in words is "three hundred sixteen million, three hundred seventeen thousand, six hundred ninety".