315993100 has 18 divisors (see below), whose sum is σ = 685705244. Its totient is φ = 126397200.

The previous prime is 315993089. The next prime is 315993101. The reversal of 315993100 is 1399513.

It is a super-2 number, since 2×315993100² = 199703278495220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315993101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1579866 + ... + 1580065.

Almost surely, 2^315993100 is an apocalyptic number.

It is an amenable number.

315993100 is an abundant number, since it is smaller than the sum of its proper divisors (369712144).

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

315993100 is a wasteful number, since it uses less digits than its factorization.

315993100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159945 (or 3159938 counting only the distinct ones).

The product of its (nonzero) digits is 3645, while the sum is 31.

The square root of 315993100 is about 17776.1947559088. The cubic root of 315993100 is about 681.1235031523.

The spelling of 315993100 in words is "three hundred fifteen million, nine hundred ninety-three thousand, one hundred".