315015212 has 24 divisors (see below), whose sum is σ = 587294400. Its totient is φ = 147416976.

The previous prime is 315015191. The next prime is 315015227. The reversal of 315015212 is 212510513.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 18662 + ... + 31277.

It is an arithmetic number, because the mean of its divisors is an integer number (24470600).

Almost surely, 2^315015212 is an apocalyptic number.

It is an amenable number.

315015212 is a deficient number, since it is larger than the sum of its proper divisors (272279188).

315015212 is a wasteful number, since it uses less digits than its factorization.

315015212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50045 (or 50043 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 315015212 is about 17748.6678936759. The cubic root of 315015212 is about 680.4201642073.

Adding to 315015212 its reverse (212510513), we get a palindrome (527525725).

The spelling of 315015212 in words is "three hundred fifteen million, fifteen thousand, two hundred twelve".