315320112 has 30 divisors (see below), whose sum is σ = 882458772. Its totient is φ = 105106656.

The previous prime is 315320011. The next prime is 315320113. The reversal of 315320112 is 211023513.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (315320113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1094718 + ... + 1095005.

Almost surely, 2^315320112 is an apocalyptic number.

It is an amenable number.

315320112 is an abundant number, since it is smaller than the sum of its proper divisors (567138660).

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

315320112 is a wasteful number, since it uses less digits than its factorization.

315320112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189737 (or 2189728 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 315320112 is about 17757.2551933006. The cubic root of 315320112 is about 680.6396173250.

Adding to 315320112 its reverse (211023513), we get a palindrome (526343625).

The spelling of 315320112 in words is "three hundred fifteen million, three hundred twenty thousand, one hundred twelve".