30138384103 has 4 divisors (see below), whose sum is σ = 30155519680. Its totient is φ = 30121248528.

The previous prime is 30138384083. The next prime is 30138384161. The reversal of 30138384103 is 30148383103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30148383103 = 479 ⋅62940257.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30138384103 is a prime.

It is a super-2 number, since 2×30138384103² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30138384403) 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, 8565150 + ... + 8568667.

It is an arithmetic number, because the mean of its divisors is an integer number (7538879920).

Almost surely, 2^30138384103 is an apocalyptic number.

30138384103 is a deficient number, since it is larger than the sum of its proper divisors (17135577).

30138384103 is a wasteful number, since it uses less digits than its factorization.

30138384103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17135576.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 30138384103 in words is "thirty billion, one hundred thirty-eight million, three hundred eighty-four thousand, one hundred three".