315326903 has 4 divisors (see below), whose sum is σ = 317809920. Its totient is φ = 312843888.

The previous prime is 315326899. The next prime is 315326909. The reversal of 315326903 is 309623513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 309623513 = 41 ⋅7551793.

It is a cyclic number.

It is not a de Polignac number, because 315326903 - 2² = 315326899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315326903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315326909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1241318 + ... + 1241571.

It is an arithmetic number, because the mean of its divisors is an integer number (79452480).

Almost surely, 2^315326903 is an apocalyptic number.

315326903 is a deficient number, since it is larger than the sum of its proper divisors (2483017).

315326903 is a wasteful number, since it uses less digits than its factorization.

315326903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483016.

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 315326903 is about 17757.4464098868. The cubic root of 315326903 is about 680.6445035663.

The spelling of 315326903 in words is "three hundred fifteen million, three hundred twenty-six thousand, nine hundred three".