203343043211 has 32 divisors (see below), whose sum is σ = 270940349952. Its totient is φ = 147734760960.

The previous prime is 203343043199. The next prime is 203343043213. The reversal of 203343043211 is 112340343302.

It is a cyclic number.

It is not a de Polignac number, because 203343043211 - 2³⁴ = 186163174027 is a prime.

It is a super-2 number, since 2×203343043211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203343043213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 585836 + ... + 865961.

It is an arithmetic number, because the mean of its divisors is an integer number (8466885936).

Almost surely, 2^203343043211 is an apocalyptic number.

203343043211 is a deficient number, since it is larger than the sum of its proper divisors (67597306741).

203343043211 is a wasteful number, since it uses less digits than its factorization.

203343043211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451939.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 203343043211 its reverse (112340343302), we get a palindrome (315683386513).

The spelling of 203343043211 in words is "two hundred three billion, three hundred forty-three million, forty-three thousand, two hundred eleven".