3030002021 has 8 divisors (see below), whose sum is σ = 3252187224. Its totient is φ = 2812700160.

The previous prime is 3030001993. The next prime is 3030002033. The reversal of 3030002021 is 1202000303.

It can be written as a sum of positive squares in 4 ways, for example, as 129640996 + 2900361025 = 11386^2 + 53855^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3030002021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3030001993 and 3030002011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030002071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1219550 + ... + 1222031.

It is an arithmetic number, because the mean of its divisors is an integer number (406523403).

Almost surely, 2^3030002021 is an apocalyptic number.

It is an amenable number.

3030002021 is a deficient number, since it is larger than the sum of its proper divisors (222185203).

3030002021 is a wasteful number, since it uses less digits than its factorization.

3030002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441671.

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

The square root of 3030002021 is about 55045.4541356505. The cubic root of 3030002021 is about 1447.0414540422.

Adding to 3030002021 its reverse (1202000303), we get a palindrome (4232002324).

The spelling of 3030002021 in words is "three billion, thirty million, two thousand, twenty-one".