201323013111 has 32 divisors (see below), whose sum is σ = 344509977600. Its totient is φ = 114836653440.

The previous prime is 201323013071. The next prime is 201323013149. The reversal of 201323013111 is 111310323102.

201323013111 is a `hidden beast` number, since 20 + 1 + 32 + 301 + 311 + 1 = 666.

It is not a de Polignac number, because 201323013111 - 2¹⁰ = 201323012087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201323013161) 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, 19931871 + ... + 19941968.

It is an arithmetic number, because the mean of its divisors is an integer number (10765936800).

Almost surely, 2^201323013111 is an apocalyptic number.

201323013111 is a deficient number, since it is larger than the sum of its proper divisors (143186964489).

201323013111 is a wasteful number, since it uses less digits than its factorization.

201323013111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39873876 (or 39873870 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 201323013111 its reverse (111310323102), we get a palindrome (312633336213).

The spelling of 201323013111 in words is "two hundred one billion, three hundred twenty-three million, thirteen thousand, one hundred eleven".