315112 has 32 divisors (see below), whose sum is σ = 717120. Its totient is φ = 126720.

The previous prime is 315109. The next prime is 315127. The reversal of 315112 is 211513.

It is a junction number, because it is equal to n+sod(n) for n = 315092 and 315101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787 + ... + 1117.

It is an arithmetic number, because the mean of its divisors is an integer number (22410).

2³¹⁵¹¹² 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 315112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358560).

315112 is an abundant number, since it is smaller than the sum of its proper divisors (402008).

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

315112 is a wasteful number, since it uses less digits than its factorization.

315112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 357 counting only the distinct ones).

The product of its digits is 30, while the sum is 13.

The square root of 315112 is about 561.3483766789. The cubic root of 315112 is about 68.0489843132.

Adding to 315112 its reverse (211513), we get a palindrome (526625).

It can be divided in two parts, 31511 and 2, that added together give a palindrome (31513).

The spelling of 315112 in words is "three hundred fifteen thousand, one hundred twelve".