315106242 has 32 divisors (see below), whose sum is σ = 689719104. Its totient is φ = 95179200.

The previous prime is 315106229. The next prime is 315106277. The reversal of 315106242 is 242601513.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13392 + ... + 28452.

It is an arithmetic number, because the mean of its divisors is an integer number (21553722).

Almost surely, 2^315106242 is an apocalyptic number.

315106242 is an abundant number, since it is smaller than the sum of its proper divisors (374612862).

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

315106242 is a wasteful number, since it uses less digits than its factorization.

315106242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15394.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 315106242 is about 17751.2321262497. The cubic root of 315106242 is about 680.4856982726.

Adding to 315106242 its reverse (242601513), we get a palindrome (557707755).

The spelling of 315106242 in words is "three hundred fifteen million, one hundred six thousand, two hundred forty-two".