315310947 has 32 divisors (see below), whose sum is σ = 507064320. Its totient is φ = 170255520.

The previous prime is 315310937. The next prime is 315310993. The reversal of 315310947 is 749013513.

It is not a de Polignac number, because 315310947 - 2¹⁰ = 315309923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315310937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207922 + ... + 209432.

It is an arithmetic number, because the mean of its divisors is an integer number (15845760).

Almost surely, 2^315310947 is an apocalyptic number.

315310947 is a deficient number, since it is larger than the sum of its proper divisors (191753373).

315310947 is a wasteful number, since it uses less digits than its factorization.

315310947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 315310947 is about 17756.9971278930. The cubic root of 315310947 is about 680.6330228387.

The spelling of 315310947 in words is "three hundred fifteen million, three hundred ten thousand, nine hundred forty-seven".