315004242 has 24 divisors (see below), whose sum is σ = 732867696. Its totient is φ = 90001128.

The previous prime is 315004241. The next prime is 315004289. The reversal of 315004242 is 242400513.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (315004241) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 535428 + ... + 536015.

It is an arithmetic number, because the mean of its divisors is an integer number (30536154).

Almost surely, 2^315004242 is an apocalyptic number.

315004242 is an abundant number, since it is smaller than the sum of its proper divisors (417863454).

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

315004242 is a wasteful number, since it uses less digits than its factorization.

315004242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071462 (or 1071455 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 315004242 is about 17748.3588537081. The cubic root of 315004242 is about 680.4122658630.

Adding to 315004242 its reverse (242400513), we get a palindrome (557404755).

The spelling of 315004242 in words is "three hundred fifteen million, four thousand, two hundred forty-two".