2321303321 has 4 divisors (see below), whose sum is σ = 2443477200. Its totient is φ = 2199129444.

The previous prime is 2321303311. The next prime is 2321303339. The reversal of 2321303321 is 1233031232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2321303321 - 2²² = 2317109017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2321303293 and 2321303302.

It is not an unprimeable number, because it can be changed into a prime (2321303311) 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, 61086911 + ... + 61086948.

It is an arithmetic number, because the mean of its divisors is an integer number (610869300).

Almost surely, 2^2321303321 is an apocalyptic number.

It is an amenable number.

2321303321 is a deficient number, since it is larger than the sum of its proper divisors (122173879).

2321303321 is a wasteful number, since it uses less digits than its factorization.

2321303321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122173878.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2321303321 is about 48179.9057803147. The cubic root of 2321303321 is about 1324.0690403190.

Adding to 2321303321 its reverse (1233031232), we get a palindrome (3554334553).

The spelling of 2321303321 in words is "two billion, three hundred twenty-one million, three hundred three thousand, three hundred twenty-one".