30194849203 has 4 divisors (see below), whose sum is σ = 30493808208. Its totient is φ = 29895890200.

The previous prime is 30194849189. The next prime is 30194849207. The reversal of 30194849203 is 30294849103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30294849103 = 1109 ⋅27317267.

It is a cyclic number.

It is not a de Polignac number, because 30194849203 - 2¹³ = 30194841011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30194849203.

It is not an unprimeable number, because it can be changed into a prime (30194849207) 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, 149479351 + ... + 149479552.

It is an arithmetic number, because the mean of its divisors is an integer number (7623452052).

Almost surely, 2^30194849203 is an apocalyptic number.

30194849203 is a deficient number, since it is larger than the sum of its proper divisors (298959005).

30194849203 is a wasteful number, since it uses less digits than its factorization.

30194849203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298959004.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 30194849203 in words is "thirty billion, one hundred ninety-four million, eight hundred forty-nine thousand, two hundred three".