316319904 has 144 divisors (see below), whose sum is σ = 982406880. Its totient is φ = 99843840.

The previous prime is 316319891. The next prime is 316319909. The reversal of 316319904 is 409913613.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (316319909) 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, 146674 + ... + 148814.

It is an arithmetic number, because the mean of its divisors is an integer number (6822270).

Almost surely, 2^316319904 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 316319904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491203440).

316319904 is an abundant number, since it is smaller than the sum of its proper divisors (666086976).

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

316319904 is a wasteful number, since it uses less digits than its factorization.

316319904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185 (or 2165 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 316319904 is about 17785.3845614876. The cubic root of 316319904 is about 681.3582310550.

The spelling of 316319904 in words is "three hundred sixteen million, three hundred nineteen thousand, nine hundred four".