10321043321 has 4 divisors (see below), whose sum is σ = 10321798644. Its totient is φ = 10320288000.

The previous prime is 10321043279. The next prime is 10321043323. The reversal of 10321043321 is 12334012301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3342111721 + 6978931600 = 57811^2 + 83540^2 .

It is a cyclic number.

It is not a de Polignac number, because 10321043321 - 2²² = 10316849017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10321043293 and 10321043302.

It is not an unprimeable number, because it can be changed into a prime (10321043323) 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, 356780 + ... + 384621.

It is an arithmetic number, because the mean of its divisors is an integer number (2580449661).

Almost surely, 2^10321043321 is an apocalyptic number.

It is an amenable number.

10321043321 is a deficient number, since it is larger than the sum of its proper divisors (755323).

10321043321 is an equidigital number, since it uses as much as digits as its factorization.

10321043321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755322.

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

Adding to 10321043321 its reverse (12334012301), we get a palindrome (22655055622).

The spelling of 10321043321 in words is "ten billion, three hundred twenty-one million, forty-three thousand, three hundred twenty-one".