30302133021 has 32 divisors (see below), whose sum is σ = 47544693120. Its totient is φ = 19008329472.

The previous prime is 30302133013. The next prime is 30302133047. The reversal of 30302133021 is 12033120303.

30302133021 is a `hidden beast` number, since 30 + 302 + 1 + 330 + 2 + 1 = 666.

It is not a de Polignac number, because 30302133021 - 2³ = 30302133013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30302132985 and 30302133003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30302133721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3048766 + ... + 3058688.

It is an arithmetic number, because the mean of its divisors is an integer number (1485771660).

Almost surely, 2^30302133021 is an apocalyptic number.

It is an amenable number.

30302133021 is a deficient number, since it is larger than the sum of its proper divisors (17242560099).

30302133021 is a wasteful number, since it uses less digits than its factorization.

30302133021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16602 (or 16596 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30302133021 its reverse (12033120303), we get a palindrome (42335253324).

The spelling of 30302133021 in words is "thirty billion, three hundred two million, one hundred thirty-three thousand, twenty-one".