10304000021 has 8 divisors (see below), whose sum is σ = 12026553600. Its totient is φ = 8644084848.

The previous prime is 10304000017. The next prime is 10304000027. The reversal of 10304000021 is 12000040301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10304000021 - 2² = 10304000017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10303999966 and 10304000011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10304000027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15659246 + ... + 15659903.

It is an arithmetic number, because the mean of its divisors is an integer number (1503319200).

Almost surely, 2^10304000021 is an apocalyptic number.

It is an amenable number.

10304000021 is a deficient number, since it is larger than the sum of its proper divisors (1722553579).

10304000021 is an equidigital number, since it uses as much as digits as its factorization.

10304000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31319203.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 10304000021 its reverse (12000040301), we get a palindrome (22304040322).

The spelling of 10304000021 in words is "ten billion, three hundred four million, twenty-one", and thus it is an aban number.