315233012 has 12 divisors (see below), whose sum is σ = 552971076. Its totient is φ = 157241280.

The previous prime is 315233011. The next prime is 315233033. The reversal of 315233012 is 210332513.

It can be written as a sum of positive squares in 2 ways, for example, as 50324836 + 264908176 = 7094^2 + 16276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315233011) 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 3 ways as a sum of consecutive naturals, for example, 91913 + ... + 95280.

It is an arithmetic number, because the mean of its divisors is an integer number (46080923).

Almost surely, 2^315233012 is an apocalyptic number.

It is an amenable number.

315233012 is a deficient number, since it is larger than the sum of its proper divisors (237738064).

315233012 is a wasteful number, since it uses less digits than its factorization.

315233012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187618 (or 187616 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 315233012 is about 17754.8025052378. The cubic root of 315233012 is about 680.5769411558.

Adding to 315233012 its reverse (210332513), we get a palindrome (525565525).

The spelling of 315233012 in words is "three hundred fifteen million, two hundred thirty-three thousand, twelve".