211423113313 has 4 divisors (see below), whose sum is σ = 211439193280. Its totient is φ = 211407033348.

The previous prime is 211423113247. The next prime is 211423113353. The reversal of 211423113313 is 313311324112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211423113313 - 2³⁷ = 73984159841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211423113353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8020245 + ... + 8046562.

It is an arithmetic number, because the mean of its divisors is an integer number (52859798320).

Almost surely, 2^211423113313 is an apocalyptic number.

It is an amenable number.

211423113313 is a deficient number, since it is larger than the sum of its proper divisors (16079967).

211423113313 is a wasteful number, since it uses less digits than its factorization.

211423113313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16079966.

The product of its digits is 1296, while the sum is 25.

Adding to 211423113313 its reverse (313311324112), we get a palindrome (524734437425).

The spelling of 211423113313 in words is "two hundred eleven billion, four hundred twenty-three million, one hundred thirteen thousand, three hundred thirteen".