30020331321 has 32 divisors (see below), whose sum is σ = 44823340800. Its totient is φ = 19857052800.

The previous prime is 30020331317. The next prime is 30020331343. The reversal of 30020331321 is 12313302003.

30020331321 is a `hidden beast` number, since 300 + 2 + 0 + 331 + 32 + 1 = 666.

It is not a de Polignac number, because 30020331321 - 2² = 30020331317 is a prime.

It is a super-3 number, since 3×30020331321³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 30020331294 and 30020331303.

It is not an unprimeable number, because it can be changed into a prime (30020331301) 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 31 ways as a sum of consecutive naturals, for example, 2559771 + ... + 2571471.

It is an arithmetic number, because the mean of its divisors is an integer number (1400729400).

Almost surely, 2^30020331321 is an apocalyptic number.

It is an amenable number.

30020331321 is a deficient number, since it is larger than the sum of its proper divisors (14803009479).

30020331321 is a wasteful number, since it uses less digits than its factorization.

30020331321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12446 (or 12440 counting only the distinct ones).

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

Adding to 30020331321 its reverse (12313302003), we get a palindrome (42333633324).

The spelling of 30020331321 in words is "thirty billion, twenty million, three hundred thirty-one thousand, three hundred twenty-one".