30033301021 has 8 divisors (see below), whose sum is σ = 30604505400. Its totient is φ = 29462264832.

The previous prime is 30033301009. The next prime is 30033301049. The reversal of 30033301021 is 12010333003.

It can be written as a sum of positive squares in 4 ways, for example, as 9528492996 + 20504808025 = 97614^2 + 143195^2 .

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 30033301021 - 2⁵ = 30033300989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30033300986 and 30033301004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30033301061) 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, 353505 + ... + 430153.

It is an arithmetic number, because the mean of its divisors is an integer number (3825563175).

Almost surely, 2^30033301021 is an apocalyptic number.

It is an amenable number.

30033301021 is a deficient number, since it is larger than the sum of its proper divisors (571204379).

30033301021 is an equidigital number, since it uses as much as digits as its factorization.

30033301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84095.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 30033301021 its reverse (12010333003), we get a palindrome (42043634024).

The spelling of 30033301021 in words is "thirty billion, thirty-three million, three hundred one thousand, twenty-one".