2321313311 has 4 divisors (see below), whose sum is σ = 2325928752. Its totient is φ = 2316697872.

The previous prime is 2321313307. The next prime is 2321313347. The reversal of 2321313311 is 1133131232.

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 2321313311 - 2² = 2321313307 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 (2321313361) by changing a digit.

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, 2306966 + ... + 2307971.

It is an arithmetic number, because the mean of its divisors is an integer number (581482188).

Almost surely, 2^2321313311 is an apocalyptic number.

2321313311 is a deficient number, since it is larger than the sum of its proper divisors (4615441).

2321313311 is an equidigital number, since it uses as much as digits as its factorization.

2321313311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615440.

The product of its digits is 324, while the sum is 20.

The square root of 2321313311 is about 48180.0094541294. The cubic root of 2321313311 is about 1324.0709397449.

Adding to 2321313311 its reverse (1133131232), we get a palindrome (3454444543).

The spelling of 2321313311 in words is "two billion, three hundred twenty-one million, three hundred thirteen thousand, three hundred eleven".