315133066 has 4 divisors (see below), whose sum is σ = 472699602. Its totient is φ = 157566532.

The previous prime is 315133009. The next prime is 315133067. The reversal of 315133066 is 660331513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 281736225 + 33396841 = 16785^2 + 5779^2 .

It is not an unprimeable number, because it can be changed into a prime (315133067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78783265 + ... + 78783268.

Almost surely, 2^315133066 is an apocalyptic number.

315133066 is a deficient number, since it is larger than the sum of its proper divisors (157566536).

315133066 is a wasteful number, since it uses less digits than its factorization.

315133066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157566535.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 315133066 is about 17751.9876633576. The cubic root of 315133066 is about 680.5050069247.

Adding to 315133066 its reverse (660331513), we get a palindrome (975464579).

The spelling of 315133066 in words is "three hundred fifteen million, one hundred thirty-three thousand, sixty-six".