3200213021 has 2 divisors, whose sum is σ = 3200213022. Its totient is φ = 3200213020.

The previous prime is 3200213011. The next prime is 3200213047. The reversal of 3200213021 is 1203120023.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2511412996 + 688800025 = 50114^2 + 26245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3200213021 is a prime.

It is a super-3 number, since 3×3200213021³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3200212987 and 3200213005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3200213011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600106510 + 1600106511.

It is an arithmetic number, because the mean of its divisors is an integer number (1600106511).

Almost surely, 2^3200213021 is an apocalyptic number.

It is an amenable number.

3200213021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3200213021 is an equidigital number, since it uses as much as digits as its factorization.

3200213021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3200213021 is about 56570.4253210103. The cubic root of 3200213021 is about 1473.6452977337.

Adding to 3200213021 its reverse (1203120023), we get a palindrome (4403333044).

The spelling of 3200213021 in words is "three billion, two hundred million, two hundred thirteen thousand, twenty-one".