315228318 has 16 divisors (see below), whose sum is σ = 652196880. Its totient is φ = 101452736.

The previous prime is 315228311. The next prime is 315228337. The reversal of 315228318 is 813822513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315228311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905655 + ... + 906002.

It is an arithmetic number, because the mean of its divisors is an integer number (40762305).

Almost surely, 2^315228318 is an apocalyptic number.

315228318 is an abundant number, since it is smaller than the sum of its proper divisors (336968562).

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

315228318 is a wasteful number, since it uses less digits than its factorization.

315228318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811691.

The product of its digits is 11520, while the sum is 33.

The square root of 315228318 is about 17754.6703151593. The cubic root of 315228318 is about 680.5735630789.

The spelling of 315228318 in words is "three hundred fifteen million, two hundred twenty-eight thousand, three hundred eighteen".