315330133 has 4 divisors (see below), whose sum is σ = 318223180. Its totient is φ = 312437088.

The previous prime is 315330131. The next prime is 315330151. The reversal of 315330133 is 331033513.

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

It can be written as a sum of positive squares in 2 ways, for example, as 75637809 + 239692324 = 8697^2 + 15482^2 .

It is a cyclic number.

It is not a de Polignac number, because 315330133 - 2¹ = 315330131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315330131) 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, 1446360 + ... + 1446577.

It is an arithmetic number, because the mean of its divisors is an integer number (79555795).

Almost surely, 2^315330133 is an apocalyptic number.

It is an amenable number.

315330133 is a deficient number, since it is larger than the sum of its proper divisors (2893047).

315330133 is a wasteful number, since it uses less digits than its factorization.

315330133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893046.

The product of its (nonzero) digits is 1215, while the sum is 22.

The square root of 315330133 is about 17757.5373574153. The cubic root of 315330133 is about 680.6468275823.

Adding to 315330133 its reverse (331033513), we get a palindrome (646363646).

The spelling of 315330133 in words is "three hundred fifteen million, three hundred thirty thousand, one hundred thirty-three".