2113201311 has 8 divisors (see below), whose sum is σ = 3034340400. Its totient is φ = 1300431552.

The previous prime is 2113201283. The next prime is 2113201327. The reversal of 2113201311 is 1131023112.

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 2113201311 - 2²² = 2109007007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113201381) 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, 27092286 + ... + 27092363.

It is an arithmetic number, because the mean of its divisors is an integer number (379292550).

Almost surely, 2^2113201311 is an apocalyptic number.

2113201311 is a deficient number, since it is larger than the sum of its proper divisors (921139089).

2113201311 is a wasteful number, since it uses less digits than its factorization.

2113201311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54184665.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2113201311 is about 45969.5694019424. The cubic root of 2113201311 is about 1283.2569463876.

Adding to 2113201311 its reverse (1131023112), we get a palindrome (3244224423).

The spelling of 2113201311 in words is "two billion, one hundred thirteen million, two hundred one thousand, three hundred eleven".