30100243 has 4 divisors (see below), whose sum is σ = 30111480. Its totient is φ = 30089008.

The previous prime is 30100229. The next prime is 30100249. The reversal of 30100243 is 34200103.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 30100243 - 2⁹ = 30099731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30100249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 996 + ... + 7822.

It is an arithmetic number, because the mean of its divisors is an integer number (7527870).

Almost surely, 2^30100243 is an apocalyptic number.

30100243 is a deficient number, since it is larger than the sum of its proper divisors (11237).

30100243 is an equidigital number, since it uses as much as digits as its factorization.

30100243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11236.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30100243 is about 5486.3688355779. The cubic root of 30100243 is about 311.0689528428.

Adding to 30100243 its reverse (34200103), we get a palindrome (64300346).

The spelling of 30100243 in words is "thirty million, one hundred thousand, two hundred forty-three".