203113032211 has 4 divisors (see below), whose sum is σ = 203334048400. Its totient is φ = 202892016024.

The previous prime is 203113032203. The next prime is 203113032251. The reversal of 203113032211 is 112230311302.

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 203113032211 - 2³ = 203113032203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203113032251) 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, 110506716 + ... + 110508553.

It is an arithmetic number, because the mean of its divisors is an integer number (50833512100).

Almost surely, 2^203113032211 is an apocalyptic number.

203113032211 is a deficient number, since it is larger than the sum of its proper divisors (221016189).

203113032211 is an equidigital number, since it uses as much as digits as its factorization.

203113032211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221016188.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 203113032211 its reverse (112230311302), we get a palindrome (315343343513).

The spelling of 203113032211 in words is "two hundred three billion, one hundred thirteen million, thirty-two thousand, two hundred eleven".