30020312203 has 4 divisors (see below), whose sum is σ = 34308928240. Its totient is φ = 25731696168.

The previous prime is 30020312167. The next prime is 30020312221. The reversal of 30020312203 is 30221302003.

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 30020312203 - 2⁹ = 30020311691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30020312503) 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, 2144308008 + ... + 2144308021.

It is an arithmetic number, because the mean of its divisors is an integer number (8577232060).

Almost surely, 2^30020312203 is an apocalyptic number.

30020312203 is a deficient number, since it is larger than the sum of its proper divisors (4288616037).

30020312203 is an equidigital number, since it uses as much as digits as its factorization.

30020312203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288616036.

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

Adding to 30020312203 its reverse (30221302003), we get a palindrome (60241614206).

The spelling of 30020312203 in words is "thirty billion, twenty million, three hundred twelve thousand, two hundred three".