315148215 has 16 divisors (see below), whose sum is σ = 504459648. Its totient is φ = 168004896.

The previous prime is 315148213. The next prime is 315148237. The reversal of 315148215 is 512841513.

It is not a de Polignac number, because 315148215 - 2¹ = 315148213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315148213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56544 + ... + 61866.

It is an arithmetic number, because the mean of its divisors is an integer number (31528728).

Almost surely, 2^315148215 is an apocalyptic number.

315148215 is a deficient number, since it is larger than the sum of its proper divisors (189311433).

315148215 is a wasteful number, since it uses less digits than its factorization.

315148215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9278.

The product of its digits is 4800, while the sum is 30.

The square root of 315148215 is about 17752.4143428436. The cubic root of 315148215 is about 680.5159111070.

Adding to 315148215 its reverse (512841513), we get a palindrome (827989728).

The spelling of 315148215 in words is "three hundred fifteen million, one hundred forty-eight thousand, two hundred fifteen".