3032000021 has 2 divisors, whose sum is σ = 3032000022. Its totient is φ = 3032000020.

The previous prime is 3032000003. The next prime is 3032000077. The reversal of 3032000021 is 1200002303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1999341796 + 1032658225 = 44714^2 + 32135^2 .

It is a cyclic number.

It is not a de Polignac number, because 3032000021 - 2¹⁰ = 3031998997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3031999966 and 3032000011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3032003021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1516000010 + 1516000011.

It is an arithmetic number, because the mean of its divisors is an integer number (1516000011).

Almost surely, 2^3032000021 is an apocalyptic number.

It is an amenable number.

3032000021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3032000021 is an equidigital number, since it uses as much as digits as its factorization.

3032000021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 3032000021 is about 55063.5997824334. The cubic root of 3032000021 is about 1447.3594465220.

Adding to 3032000021 its reverse (1200002303), we get a palindrome (4232002324).

The spelling of 3032000021 in words is "three billion, thirty-two million, twenty-one", and thus it is an aban number and an uban number.