30111234203 has 4 divisors (see below), whose sum is σ = 30115534848. Its totient is φ = 30106933560.

The previous prime is 30111234103. The next prime is 30111234211. The reversal of 30111234203 is 30243211103.

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

It is a cyclic number.

It is not a de Polignac number, because 30111234203 - 2¹⁰ = 30111233179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30111234103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2139803 + ... + 2153828.

It is an arithmetic number, because the mean of its divisors is an integer number (7528883712).

Almost surely, 2^30111234203 is an apocalyptic number.

30111234203 is a deficient number, since it is larger than the sum of its proper divisors (4300645).

30111234203 is an equidigital number, since it uses as much as digits as its factorization.

30111234203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300644.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30111234203 its reverse (30243211103), we get a palindrome (60354445306).

The spelling of 30111234203 in words is "thirty billion, one hundred eleven million, two hundred thirty-four thousand, two hundred three".