12310230321 has 18 divisors (see below), whose sum is σ = 18766570290. Its totient is φ = 7774880256.

The previous prime is 12310230239. The next prime is 12310230323. The reversal of 12310230321 is 12303201321.

12310230321 is a `hidden beast` number, since 1 + 2 + 310 + 2 + 30 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11728890000 + 581340321 = 108300^2 + 24111^2 .

It is not a de Polignac number, because 12310230321 - 2²⁵ = 12276675889 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12310230294 and 12310230303.

It is not an unprimeable number, because it can be changed into a prime (12310230323) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1891216 + ... + 1897713.

Almost surely, 2^12310230321 is an apocalyptic number.

It is an amenable number.

12310230321 is a deficient number, since it is larger than the sum of its proper divisors (6456339969).

12310230321 is a wasteful number, since it uses less digits than its factorization.

12310230321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788973 (or 3788951 counting only the distinct ones).

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

Adding to 12310230321 its reverse (12303201321), we get a palindrome (24613431642).

The spelling of 12310230321 in words is "twelve billion, three hundred ten million, two hundred thirty thousand, three hundred twenty-one".