211132313311 has 4 divisors (see below), whose sum is σ = 211149244800. Its totient is φ = 211115381824.

The previous prime is 211132313303. The next prime is 211132313321. The reversal of 211132313311 is 113313231112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211132313311 - 2³ = 211132313303 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 (211132313321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8447026 + ... + 8471983.

It is an arithmetic number, because the mean of its divisors is an integer number (52787311200).

Almost surely, 2^211132313311 is an apocalyptic number.

211132313311 is a deficient number, since it is larger than the sum of its proper divisors (16931489).

211132313311 is a wasteful number, since it uses less digits than its factorization.

211132313311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16931488.

The product of its digits is 324, while the sum is 22.

Adding to 211132313311 its reverse (113313231112), we get a palindrome (324445544423).

The spelling of 211132313311 in words is "two hundred eleven billion, one hundred thirty-two million, three hundred thirteen thousand, three hundred eleven".