30110220203 has 4 divisors (see below), whose sum is σ = 34411680240. Its totient is φ = 25808760168.

The previous prime is 30110220149. The next prime is 30110220247. The reversal of 30110220203 is 30202201103.

It is a happy number.

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 30110220203 - 2⁶ = 30110220139 is a prime.

It is a super-2 number, since 2×30110220203² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30110220263) 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, 2150730008 + ... + 2150730021.

It is an arithmetic number, because the mean of its divisors is an integer number (8602920060).

Almost surely, 2^30110220203 is an apocalyptic number.

30110220203 is a deficient number, since it is larger than the sum of its proper divisors (4301460037).

30110220203 is an equidigital number, since it uses as much as digits as its factorization.

30110220203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301460036.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30110220203 its reverse (30202201103), we get a palindrome (60312421306).

The spelling of 30110220203 in words is "thirty billion, one hundred ten million, two hundred twenty thousand, two hundred three".