315930 has 16 divisors (see below), whose sum is σ = 758304. Its totient is φ = 84240.

The previous prime is 315907. The next prime is 315937. The reversal of 315930 is 39513.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 315897 and 315906.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 315930.

It is not an unprimeable number, because it can be changed into a prime (315937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5236 + ... + 5295.

It is an arithmetic number, because the mean of its divisors is an integer number (47394).

2³¹⁵⁹³⁰ is an apocalyptic number.

315930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

315930 is an abundant number, since it is smaller than the sum of its proper divisors (442374).

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

315930 is a wasteful number, since it uses less digits than its factorization.

315930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10541.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 315930 is about 562.0765072479. The cubic root of 315930 is about 68.1078162759.

The spelling of 315930 in words is "three hundred fifteen thousand, nine hundred thirty".