30021000331 has 8 divisors (see below), whose sum is σ = 36115489280. Its totient is φ = 24377955048.

The previous prime is 30021000313. The next prime is 30021000337. The reversal of 30021000331 is 13300012003.

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 30021000331 - 2⁵ = 30021000299 is a prime.

It is a super-2 number, since 2×30021000331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30021000337) 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 7 ways as a sum of consecutive naturals, for example, 112860771 + ... + 112861036.

It is an arithmetic number, because the mean of its divisors is an integer number (4514436160).

Almost surely, 2^30021000331 is an apocalyptic number.

30021000331 is a deficient number, since it is larger than the sum of its proper divisors (6094488949).

30021000331 is a wasteful number, since it uses less digits than its factorization.

30021000331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225721833.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 30021000331 its reverse (13300012003), we get a palindrome (43321012334).

The spelling of 30021000331 in words is "thirty billion, twenty-one million, three hundred thirty-one", and thus it is an aban number.