30231845219 has 4 divisors (see below), whose sum is σ = 31546273296. Its totient is φ = 28917417144.

The previous prime is 30231845201. The next prime is 30231845233. The reversal of 30231845219 is 91254813203.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30231845219 is a prime.

It is a super-2 number, since 2×30231845219² (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 (30231845279) 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 3 ways as a sum of consecutive naturals, for example, 657214004 + ... + 657214049.

It is an arithmetic number, because the mean of its divisors is an integer number (7886568324).

Almost surely, 2^30231845219 is an apocalyptic number.

30231845219 is a deficient number, since it is larger than the sum of its proper divisors (1314428077).

30231845219 is a wasteful number, since it uses less digits than its factorization.

30231845219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314428076.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 30231845219 in words is "thirty billion, two hundred thirty-one million, eight hundred forty-five thousand, two hundred nineteen".