30031819199 has 4 divisors (see below), whose sum is σ = 30454802640. Its totient is φ = 29608835760.

The previous prime is 30031819177. The next prime is 30031819241. The reversal of 30031819199 is 99191813003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99191813003 = 19 ⋅5220621737.

It is a cyclic number.

It is not a de Polignac number, because 30031819199 - 2¹⁶ = 30031753663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031819099) 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, 211491614 + ... + 211491755.

It is an arithmetic number, because the mean of its divisors is an integer number (7613700660).

Almost surely, 2^30031819199 is an apocalyptic number.

30031819199 is a deficient number, since it is larger than the sum of its proper divisors (422983441).

30031819199 is an equidigital number, since it uses as much as digits as its factorization.

30031819199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422983440.

The product of its (nonzero) digits is 52488, while the sum is 44.

The spelling of 30031819199 in words is "thirty billion, thirty-one million, eight hundred nineteen thousand, one hundred ninety-nine".