2295315991 has 4 divisors (see below), whose sum is σ = 2332944184. Its totient is φ = 2257687800.

The previous prime is 2295315961. The next prime is 2295316019. The reversal of 2295315991 is 1995135922.

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

It is a cyclic number.

It is not a de Polignac number, because 2295315991 - 2¹⁵ = 2295283223 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 (2295315901) 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, 18814005 + ... + 18814126.

It is an arithmetic number, because the mean of its divisors is an integer number (583236046).

Almost surely, 2^2295315991 is an apocalyptic number.

2295315991 is a deficient number, since it is larger than the sum of its proper divisors (37628193).

2295315991 is an equidigital number, since it uses as much as digits as its factorization.

2295315991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37628192.

The product of its digits is 218700, while the sum is 46.

The square root of 2295315991 is about 47909.4561751644. The cubic root of 2295315991 is about 1319.1094373705.

The spelling of 2295315991 in words is "two billion, two hundred ninety-five million, three hundred fifteen thousand, nine hundred ninety-one".