30230120203 has 4 divisors (see below), whose sum is σ = 30230547768. Its totient is φ = 30229692640.

The previous prime is 30230120197. The next prime is 30230120213. The reversal of 30230120203 is 30202103203.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30230120203 is a prime.

It is a super-2 number, since 2×30230120203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30230120213) 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, 79693 + ... + 258478.

It is an arithmetic number, because the mean of its divisors is an integer number (7557636942).

Almost surely, 2^30230120203 is an apocalyptic number.

30230120203 is a deficient number, since it is larger than the sum of its proper divisors (427565).

30230120203 is an equidigital number, since it uses as much as digits as its factorization.

30230120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427564.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30230120203 its reverse (30202103203), we get a palindrome (60432223406).

The spelling of 30230120203 in words is "thirty billion, two hundred thirty million, one hundred twenty thousand, two hundred three".