3030020321 has 8 divisors (see below), whose sum is σ = 3135654144. Its totient is φ = 2924879760.

The previous prime is 3030020303. The next prime is 3030020333. The reversal of 3030020321 is 1230200303.

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

It is not a de Polignac number, because 3030020321 - 2¹⁴ = 3030003937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3030020296 and 3030020305.

It is not an unprimeable number, because it can be changed into a prime (3030020351) 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, 110795 + ... + 135408.

It is an arithmetic number, because the mean of its divisors is an integer number (391956768).

Almost surely, 2^3030020321 is an apocalyptic number.

3030020321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3030020321 is a deficient number, since it is larger than the sum of its proper divisors (105633823).

3030020321 is a wasteful number, since it uses less digits than its factorization.

3030020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246631.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 3030020321 is about 55045.6203616600. The cubic root of 3030020321 is about 1447.0443672202.

Adding to 3030020321 its reverse (1230200303), we get a palindrome (4260220624).

The spelling of 3030020321 in words is "three billion, thirty million, twenty thousand, three hundred twenty-one".