30030333021 has 24 divisors (see below), whose sum is σ = 47595254616. Its totient is φ = 18131518080.

The previous prime is 30030332999. The next prime is 30030333029. The reversal of 30030333021 is 12033303003.

30030333021 is a `hidden beast` number, since 30 + 0 + 303 + 330 + 2 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4257562500 + 25772770521 = 65250^2 + 160539^2 .

It is not a de Polignac number, because 30030333021 - 2¹³ = 30030324829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30030332985 and 30030333003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030333029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2415210 + ... + 2427611.

It is an arithmetic number, because the mean of its divisors is an integer number (1983135609).

Almost surely, 2^30030333021 is an apocalyptic number.

It is an amenable number.

30030333021 is a deficient number, since it is larger than the sum of its proper divisors (17564921595).

30030333021 is a wasteful number, since it uses less digits than its factorization.

30030333021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4842893 (or 4842890 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

Adding to 30030333021 its reverse (12033303003), we get a palindrome (42063636024).

The spelling of 30030333021 in words is "thirty billion, thirty million, three hundred thirty-three thousand, twenty-one".