315312198 has 16 divisors (see below), whose sum is σ = 658043136. Its totient is φ = 100534280.

The previous prime is 315312139. The next prime is 315312229. The reversal of 315312198 is 891213513.

It is a congruent number.

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, 1142298 + ... + 1142573.

It is an arithmetic number, because the mean of its divisors is an integer number (41127696).

Almost surely, 2^315312198 is an apocalyptic number.

315312198 is an abundant number, since it is smaller than the sum of its proper divisors (342730938).

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

315312198 is a wasteful number, since it uses less digits than its factorization.

315312198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284899.

The product of its digits is 6480, while the sum is 33.

The square root of 315312198 is about 17757.0323534086. The cubic root of 315312198 is about 680.6339229774.

It can be divided in two parts, 3153 and 12198, that added together give a palindrome (15351).

The spelling of 315312198 in words is "three hundred fifteen million, three hundred twelve thousand, one hundred ninety-eight".