30021320219 has 8 divisors (see below), whose sum is σ = 32986148160. Its totient is φ = 27095761800.

The previous prime is 30021320213. The next prime is 30021320261. The reversal of 30021320219 is 91202312003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30021320219 is a prime.

It is a super-2 number, since 2×30021320219² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30021320194 and 30021320203.

It is not an unprimeable number, because it can be changed into a prime (30021320213) 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, 9815777 + ... + 9818834.

It is an arithmetic number, because the mean of its divisors is an integer number (4123268520).

Almost surely, 2^30021320219 is an apocalyptic number.

30021320219 is a deficient number, since it is larger than the sum of its proper divisors (2964827941).

30021320219 is a wasteful number, since it uses less digits than its factorization.

30021320219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19634761.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 30021320219 in words is "thirty billion, twenty-one million, three hundred twenty thousand, two hundred nineteen".