30230021219 has 4 divisors (see below), whose sum is σ = 30742394520. Its totient is φ = 29717647920.

The previous prime is 30230021203. The next prime is 30230021221. The reversal of 30230021219 is 91212003203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30230021219 - 2⁴ = 30230021203 is a prime.

It is a super-2 number, since 2×30230021219² (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 = 30230021194 and 30230021203.

It is not an unprimeable number, because it can be changed into a prime (30230021719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256186562 + ... + 256186679.

It is an arithmetic number, because the mean of its divisors is an integer number (7685598630).

Almost surely, 2^30230021219 is an apocalyptic number.

30230021219 is a deficient number, since it is larger than the sum of its proper divisors (512373301).

30230021219 is an equidigital number, since it uses as much as digits as its factorization.

30230021219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512373300.

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

The spelling of 30230021219 in words is "thirty billion, two hundred thirty million, twenty-one thousand, two hundred nineteen".