10321200013 has 4 divisors (see below), whose sum is σ = 10321670268. Its totient is φ = 10320729760.

The previous prime is 10321199921. The next prime is 10321200023. The reversal of 10321200013 is 31000212301.

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 3701262244 + 6619937769 = 60838^2 + 81363^2 .

It is a cyclic number.

It is not a de Polignac number, because 10321200013 - 2⁹ = 10321199501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10321199966 and 10321200002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321200023) 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, 200506 + ... + 246667.

It is an arithmetic number, because the mean of its divisors is an integer number (2580417567).

Almost surely, 2^10321200013 is an apocalyptic number.

It is an amenable number.

10321200013 is a deficient number, since it is larger than the sum of its proper divisors (470255).

10321200013 is an equidigital number, since it uses as much as digits as its factorization.

10321200013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470254.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10321200013 its reverse (31000212301), we get a palindrome (41321412314).

The spelling of 10321200013 in words is "ten billion, three hundred twenty-one million, two hundred thousand, thirteen".