315241242 has 16 divisors (see below), whose sum is σ = 634500192. Its totient is φ = 104410800.

The previous prime is 315241211. The next prime is 315241261. The reversal of 315241242 is 242142513.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166384 + ... + 168267.

It is an arithmetic number, because the mean of its divisors is an integer number (39656262).

Almost surely, 2^315241242 is an apocalyptic number.

315241242 is an abundant number, since it is smaller than the sum of its proper divisors (319258950).

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

315241242 is a wasteful number, since it uses less digits than its factorization.

315241242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334813.

The product of its digits is 1920, while the sum is 24.

The square root of 315241242 is about 17755.0342720030. The cubic root of 315241242 is about 680.5828638640.

Adding to 315241242 its reverse (242142513), we get a palindrome (557383755).

The spelling of 315241242 in words is "three hundred fifteen million, two hundred forty-one thousand, two hundred forty-two".