315783812 has 24 divisors (see below), whose sum is σ = 565504800. Its totient is φ = 154244736.

The previous prime is 315783773. The next prime is 315783817. The reversal of 315783812 is 218387513.

It is a happy number.

315783812 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (315783817) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34364 + ... + 42572.

It is an arithmetic number, because the mean of its divisors is an integer number (23562700).

Almost surely, 2^315783812 is an apocalyptic number.

It is an amenable number.

315783812 is a deficient number, since it is larger than the sum of its proper divisors (249720988).

315783812 is a wasteful number, since it uses less digits than its factorization.

315783812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8435 (or 8433 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 315783812 is about 17770.3070316751. The cubic root of 315783812 is about 680.9730964306.

The spelling of 315783812 in words is "three hundred fifteen million, seven hundred eighty-three thousand, eight hundred twelve".