30303320021 has 8 divisors (see below), whose sum is σ = 32636249184. Its totient is φ = 27970662960.

The previous prime is 30303320009. The next prime is 30303320123. The reversal of 30303320021 is 12002330303.

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

It is a cyclic number.

It is not a de Polignac number, because 30303320021 - 2¹⁴ = 30303303637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30303320221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203426 + ... + 319356.

It is an arithmetic number, because the mean of its divisors is an integer number (4079531148).

Almost surely, 2^30303320021 is an apocalyptic number.

It is an amenable number.

30303320021 is a deficient number, since it is larger than the sum of its proper divisors (2332929163).

30303320021 is a wasteful number, since it uses less digits than its factorization.

30303320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136051.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 30303320021 its reverse (12002330303), we get a palindrome (42305650324).

The spelling of 30303320021 in words is "thirty billion, three hundred three million, three hundred twenty thousand, twenty-one".