201311201113 has 8 divisors (see below), whose sum is σ = 219641044896. Its totient is φ = 182986161600.

The previous prime is 201311201099. The next prime is 201311201149. The reversal of 201311201113 is 311102113102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201311201113 - 2²⁵ = 201277646681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201311201173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113168 + ... + 1281313.

It is an arithmetic number, because the mean of its divisors is an integer number (27455130612).

Almost surely, 2^201311201113 is an apocalyptic number.

It is an amenable number.

201311201113 is a deficient number, since it is larger than the sum of its proper divisors (18329843783).

201311201113 is a wasteful number, since it uses less digits than its factorization.

201311201113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402135.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 201311201113 its reverse (311102113102), we get a palindrome (512413314215).

The spelling of 201311201113 in words is "two hundred one billion, three hundred eleven million, two hundred one thousand, one hundred thirteen".