315310945 has 16 divisors (see below), whose sum is σ = 381562560. Its totient is φ = 250133184.

The previous prime is 315310937. The next prime is 315310993. The reversal of 315310945 is 549013513.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 315310945 - 2³ = 315310937 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 429799 + ... + 430531.

It is an arithmetic number, because the mean of its divisors is an integer number (23847660).

Almost surely, 2^315310945 is an apocalyptic number.

It is an amenable number.

315310945 is a deficient number, since it is larger than the sum of its proper divisors (66251615).

315310945 is a wasteful number, since it uses less digits than its factorization.

315310945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 315310945 is about 17756.9970715772. The cubic root of 315310945 is about 680.6330213996.

The spelling of 315310945 in words is "three hundred fifteen million, three hundred ten thousand, nine hundred forty-five".