2315305133 has 4 divisors (see below), whose sum is σ = 2322702588. Its totient is φ = 2307907680.

The previous prime is 2315305129. The next prime is 2315305177. The reversal of 2315305133 is 3315035132.

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 483208324 + 1832096809 = 21982^2 + 42803^2 .

It is a cyclic number.

It is not a de Polignac number, because 2315305133 - 2² = 2315305129 is a prime.

It is a super-2 number, since 2×2315305133² = 10721275717792295378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315305183) 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, 3698258 + ... + 3698883.

It is an arithmetic number, because the mean of its divisors is an integer number (580675647).

Almost surely, 2^2315305133 is an apocalyptic number.

It is an amenable number.

2315305133 is a deficient number, since it is larger than the sum of its proper divisors (7397455).

2315305133 is an equidigital number, since it uses as much as digits as its factorization.

2315305133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7397454.

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 2315305133 is about 48117.6176987182. The cubic root of 2315305133 is about 1322.9276031721.

The spelling of 2315305133 in words is "two billion, three hundred fifteen million, three hundred five thousand, one hundred thirty-three".