315201133 has 4 divisors (see below), whose sum is σ = 339447388. Its totient is φ = 290954880.

The previous prime is 315201121. The next prime is 315201179. The reversal of 315201133 is 331102513.

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 82119844 + 233081289 = 9062^2 + 15267^2 .

It is a cyclic number.

It is not a de Polignac number, because 315201133 - 2⁵ = 315201101 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 315201133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315201193) 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, 12123108 + ... + 12123133.

It is an arithmetic number, because the mean of its divisors is an integer number (84861847).

Almost surely, 2^315201133 is an apocalyptic number.

It is an amenable number.

315201133 is a deficient number, since it is larger than the sum of its proper divisors (24246255).

315201133 is a wasteful number, since it uses less digits than its factorization.

315201133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24246254.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 315201133 is about 17753.9047254400. The cubic root of 315201133 is about 680.5539985040.

Adding to 315201133 its reverse (331102513), we get a palindrome (646303646).

The spelling of 315201133 in words is "three hundred fifteen million, two hundred one thousand, one hundred thirty-three".