315133153 has 4 divisors (see below), whose sum is σ = 315978388. Its totient is φ = 314287920.

The previous prime is 315133139. The next prime is 315133171. The reversal of 315133153 is 351331513.

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 231739729 + 83393424 = 15223^2 + 9132^2 .

It is a cyclic number.

It is not a de Polignac number, because 315133153 - 2⁵ = 315133121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315133123) 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, 422058 + ... + 422803.

It is an arithmetic number, because the mean of its divisors is an integer number (78994597).

Almost surely, 2^315133153 is an apocalyptic number.

It is an amenable number.

315133153 is a deficient number, since it is larger than the sum of its proper divisors (845235).

315133153 is an equidigital number, since it uses as much as digits as its factorization.

315133153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845234.

The product of its digits is 2025, while the sum is 25.

The square root of 315133153 is about 17751.9901137872. The cubic root of 315133153 is about 680.5050695479.

Adding to 315133153 its reverse (351331513), we get a palindrome (666464666).

The spelling of 315133153 in words is "three hundred fifteen million, one hundred thirty-three thousand, one hundred fifty-three".