316981280 has 144 divisors (see below), whose sum is σ = 941129280. Its totient is φ = 98757120.

The previous prime is 316981271. The next prime is 316981283. The reversal of 316981280 is 82189613.

316981280 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (316981283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134351 + ... + 136689.

It is an arithmetic number, because the mean of its divisors is an integer number (6535620).

Almost surely, 2^316981280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316981280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470564640).

316981280 is an abundant number, since it is smaller than the sum of its proper divisors (624148000).

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

316981280 is a wasteful number, since it uses less digits than its factorization.

316981280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383 (or 2364 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 316981280 is about 17803.9680970283. The cubic root of 316981280 is about 681.8327720406.

The spelling of 316981280 in words is "three hundred sixteen million, nine hundred eighty-one thousand, two hundred eighty".