315240863 has 12 divisors (see below), whose sum is σ = 372723912. Its totient is φ = 265774320.

The previous prime is 315240823. The next prime is 315240907. The reversal of 315240863 is 368042513.

It is a de Polignac number, because none of the positive numbers 2^k-315240863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315240823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49745 + ... + 55722.

It is an arithmetic number, because the mean of its divisors is an integer number (31060326).

Almost surely, 2^315240863 is an apocalyptic number.

315240863 is a deficient number, since it is larger than the sum of its proper divisors (57483049).

315240863 is a wasteful number, since it uses less digits than its factorization.

315240863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105542 (or 105535 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 315240863 is about 17755.0235989705. The cubic root of 315240863 is about 680.5825911195.

The spelling of 315240863 in words is "three hundred fifteen million, two hundred forty thousand, eight hundred sixty-three".