2311321304 has 16 divisors (see below), whose sum is σ = 4334241120. Its totient is φ = 1155523680.

The previous prime is 2311321289. The next prime is 2311321319. The reversal of 2311321304 is 4031231132.

It is an interprime number because it is at equal distance from previous prime (2311321289) and next prime (2311321319).

It is a congruent 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, 110897 + ... + 130079.

It is an arithmetic number, because the mean of its divisors is an integer number (270890070).

Almost surely, 2^2311321304 is an apocalyptic number.

It is an amenable number.

2311321304 is a deficient number, since it is larger than the sum of its proper divisors (2022919816).

2311321304 is a wasteful number, since it uses less digits than its factorization.

2311321304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34250 (or 34246 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2311321304 is about 48076.2030946704. The cubic root of 2311321304 is about 1322.1684025872.

Adding to 2311321304 its reverse (4031231132), we get a palindrome (6342552436).

The spelling of 2311321304 in words is "two billion, three hundred eleven million, three hundred twenty-one thousand, three hundred four".