2321310321 has 24 divisors (see below), whose sum is σ = 3662699040. Its totient is φ = 1404979200.

The previous prime is 2321310319. The next prime is 2321310347. The reversal of 2321310321 is 1230131232.

2321310321 is a `hidden beast` number, since 2 + 32 + 1 + 310 + 321 = 666.

It is not a de Polignac number, because 2321310321 - 2¹ = 2321310319 is a prime.

It is a super-5 number, since 5×2321310321⁵ (a number of 48 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2321310294 and 2321310303.

It is not an unprimeable number, because it can be changed into a prime (2321310361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60886 + ... + 91376.

It is an arithmetic number, because the mean of its divisors is an integer number (152612460).

Almost surely, 2^2321310321 is an apocalyptic number.

It is an amenable number.

2321310321 is a deficient number, since it is larger than the sum of its proper divisors (1341388719).

2321310321 is a wasteful number, since it uses less digits than its factorization.

2321310321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31277 (or 31274 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2321310321 is about 48179.9784246527. The cubic root of 2321310321 is about 1324.0703712486.

Adding to 2321310321 its reverse (1230131232), we get a palindrome (3551441553).

Subtracting from 2321310321 its reverse (1230131232), we obtain a square (1091179089 = 33033²).

It can be divided in two parts, 23213103 and 21, that added together give a square (23213124 = 4818²).

The spelling of 2321310321 in words is "two billion, three hundred twenty-one million, three hundred ten thousand, three hundred twenty-one".