201343303111 has 24 divisors (see below), whose sum is σ = 215884183536. Its totient is φ = 187654431360.

The previous prime is 201343303093. The next prime is 201343303127. The reversal of 201343303111 is 111303343102.

It is not a de Polignac number, because 201343303111 - 2¹¹ = 201343301063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201343303211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18495276 + ... + 18506158.

It is an arithmetic number, because the mean of its divisors is an integer number (8995174314).

Almost surely, 2^201343303111 is an apocalyptic number.

201343303111 is a deficient number, since it is larger than the sum of its proper divisors (14540880425).

201343303111 is a wasteful number, since it uses less digits than its factorization.

201343303111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11823 (or 11800 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 201343303111 its reverse (111303343102), we get a palindrome (312646646213).

The spelling of 201343303111 in words is "two hundred one billion, three hundred forty-three million, three hundred three thousand, one hundred eleven".