315039042 has 12 divisors (see below), whose sum is σ = 682584630. Its totient is φ = 105013008.

The previous prime is 315039037. The next prime is 315039047. The reversal of 315039042 is 240930513.

315039042 is a `hidden beast` number, since 31 + 503 + 90 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (315039037) and next prime (315039047).

It can be written as a sum of positive squares in only one way, i.e., 194017041 + 121022001 = 13929^2 + 11001^2 .

It is a junction number, because it is equal to n+sod(n) for n = 315038997 and 315039015.

It is not an unprimeable number, because it can be changed into a prime (315039047) 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 5 ways as a sum of consecutive naturals, for example, 8751067 + ... + 8751102.

Almost surely, 2^315039042 is an apocalyptic number.

315039042 is an abundant number, since it is smaller than the sum of its proper divisors (367545588).

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

315039042 is a wasteful number, since it uses less digits than its factorization.

315039042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17502177 (or 17502174 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 315039042 is about 17749.3391989674. The cubic root of 315039042 is about 680.4373210546.

Adding to 315039042 its reverse (240930513), we get a palindrome (555969555).

The spelling of 315039042 in words is "three hundred fifteen million, thirty-nine thousand, forty-two".