2331315065 has 4 divisors (see below), whose sum is σ = 2797578084. Its totient is φ = 1865052048.

The previous prime is 2331315059. The next prime is 2331315071. The reversal of 2331315065 is 5605131332.

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

It is an interprime number because it is at equal distance from previous prime (2331315059) and next prime (2331315071).

It can be written as a sum of positive squares in 2 ways, for example, as 1334587024 + 996728041 = 36532^2 + 31571^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331315065 - 2²⁰ = 2330266489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233131502 + ... + 233131511.

It is an arithmetic number, because the mean of its divisors is an integer number (699394521).

Almost surely, 2^2331315065 is an apocalyptic number.

It is an amenable number.

2331315065 is a deficient number, since it is larger than the sum of its proper divisors (466263019).

2331315065 is an equidigital number, since it uses as much as digits as its factorization.

2331315065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466263018.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 2331315065 is about 48283.6935724681. The cubic root of 2331315065 is about 1325.9698730251.

Adding to 2331315065 its reverse (5605131332), we get a palindrome (7936446397).

The spelling of 2331315065 in words is "two billion, three hundred thirty-one million, three hundred fifteen thousand, sixty-five".