315999900 has 72 divisors (see below), whose sum is σ = 1015889840. Its totient is φ = 84265920.

The previous prime is 315999899. The next prime is 315999911. The reversal of 315999900 is 9999513.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55819 + ... + 61218.

Almost surely, 2^315999900 is an apocalyptic number.

315999900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315999900 is an abundant number, since it is smaller than the sum of its proper divisors (699889940).

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

315999900 is a wasteful number, since it uses less digits than its factorization.

315999900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117060 (or 117047 counting only the distinct ones).

The product of its (nonzero) digits is 98415, while the sum is 45.

The square root of 315999900 is about 17776.3860219112. The cubic root of 315999900 is about 681.1283889199.

The spelling of 315999900 in words is "three hundred fifteen million, nine hundred ninety-nine thousand, nine hundred".