316501900 has 72 divisors (see below), whose sum is σ = 806917104. Its totient is φ = 106233600.

The previous prime is 316501897. The next prime is 316501931. The reversal of 316501900 is 9105613.

It is a super-2 number, since 2×316501900² = 200346905407220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3234 + ... + 25366.

It is an arithmetic number, because the mean of its divisors is an integer number (11207182).

Almost surely, 2^316501900 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 316501900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403458552).

316501900 is an abundant number, since it is smaller than the sum of its proper divisors (490415204).

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

316501900 is a wasteful number, since it uses less digits than its factorization.

316501900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22171 (or 22164 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 316501900 is about 17790.5002740227. The cubic root of 316501900 is about 681.4888801189.

The spelling of 316501900 in words is "three hundred sixteen million, five hundred one thousand, nine hundred".