2320310345 has 4 divisors (see below), whose sum is σ = 2784372420. Its totient is φ = 1856248272.

The previous prime is 2320310327. The next prime is 2320310371. The reversal of 2320310345 is 5430130232.

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 925437241 + 1394873104 = 30421^2 + 37348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2320310345 is a prime.

It is a super-2 number, since 2×2320310345² = 10767680194228038050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2320310345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232031030 + ... + 232031039.

It is an arithmetic number, because the mean of its divisors is an integer number (696093105).

Almost surely, 2^2320310345 is an apocalyptic number.

It is an amenable number.

2320310345 is a deficient number, since it is larger than the sum of its proper divisors (464062075).

2320310345 is an equidigital number, since it uses as much as digits as its factorization.

2320310345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464062074.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 2320310345 is about 48169.5998011194. The cubic root of 2320310345 is about 1323.8802158939.

Adding to 2320310345 its reverse (5430130232), we get a palindrome (7750440577).

The spelling of 2320310345 in words is "two billion, three hundred twenty million, three hundred ten thousand, three hundred forty-five".