2321002321 has 16 divisors (see below), whose sum is σ = 2569450176. Its totient is φ = 2079000000.

The previous prime is 2321002297. The next prime is 2321002331. The reversal of 2321002321 is 1232001232.

It is not a de Polignac number, because 2321002321 - 2¹¹ = 2321000273 is a prime.

It is a deceptive number, since it divides R_2321002320.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2321002295 and 2321002304.

It is not an unprimeable number, because it can be changed into a prime (2321002331) 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 15 ways as a sum of consecutive naturals, for example, 229471 + ... + 239371.

It is an arithmetic number, because the mean of its divisors is an integer number (160590636).

Almost surely, 2^2321002321 is an apocalyptic number.

It is an amenable number.

2321002321 is a deficient number, since it is larger than the sum of its proper divisors (248447855).

2321002321 is a wasteful number, since it uses less digits than its factorization.

2321002321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10224.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2321002321 is about 48176.7819701565. The cubic root of 2321002321 is about 1324.0118078145.

Adding to 2321002321 its reverse (1232001232), we get a palindrome (3553003553).

It can be divided in two parts, 232100 and 2321, that multiplied together give a square (538704100 = 23210²).

The spelling of 2321002321 in words is "two billion, three hundred twenty-one million, two thousand, three hundred twenty-one".