201311113 has 2 divisors, whose sum is σ = 201311114. Its totient is φ = 201311112.

The previous prime is 201311101. The next prime is 201311141. The reversal of 201311113 is 311113102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193543744 + 7767369 = 13912^2 + 2787^2 .

It is a cyclic number.

It is not a de Polignac number, because 201311113 - 2⁹ = 201310601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201311093 and 201311102.

It is not a weakly prime, because it can be changed into another prime (201311183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100655556 + 100655557.

It is an arithmetic number, because the mean of its divisors is an integer number (100655557).

Almost surely, 2^201311113 is an apocalyptic number.

It is an amenable number.

201311113 is a deficient number, since it is larger than the sum of its proper divisors (1).

201311113 is an equidigital number, since it uses as much as digits as its factorization.

201311113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 201311113 is about 14188.4147458411. The cubic root of 201311113 is about 586.0786711930.

Adding to 201311113 its reverse (311113102), we get a palindrome (512424215).

The spelling of 201311113 in words is "two hundred one million, three hundred eleven thousand, one hundred thirteen".