315491108 has 12 divisors (see below), whose sum is σ = 559673100. Its totient is φ = 155584512.

The previous prime is 315491081. The next prime is 315491153. The reversal of 315491108 is 801194513.

It can be written as a sum of positive squares in 2 ways, for example, as 189557824 + 125933284 = 13768^2 + 11222^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539933 + ... + 540516.

It is an arithmetic number, because the mean of its divisors is an integer number (46639425).

Almost surely, 2^315491108 is an apocalyptic number.

It is an amenable number.

315491108 is a deficient number, since it is larger than the sum of its proper divisors (244181992).

315491108 is a wasteful number, since it uses less digits than its factorization.

315491108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080526 (or 1080524 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 315491108 is about 17762.0693614230. The cubic root of 315491108 is about 680.7626305375.

The spelling of 315491108 in words is "three hundred fifteen million, four hundred ninety-one thousand, one hundred eight".