315313018 has 8 divisors (see below), whose sum is σ = 497862720. Its totient is φ = 149358780.

The previous prime is 315313013. The next prime is 315313069. The reversal of 315313018 is 810313513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 315312983 and 315313001.

It is not an unprimeable number, because it can be changed into a prime (315313013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4148818 + ... + 4148893.

It is an arithmetic number, because the mean of its divisors is an integer number (62232840).

Almost surely, 2^315313018 is an apocalyptic number.

315313018 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

315313018 is a deficient number, since it is larger than the sum of its proper divisors (182549702).

315313018 is a wasteful number, since it uses less digits than its factorization.

315313018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8297732.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 315313018 is about 17757.0554428374. The cubic root of 315313018 is about 680.6345129951.

The spelling of 315313018 in words is "three hundred fifteen million, three hundred thirteen thousand, eighteen".