211232100311 has 8 divisors (see below), whose sum is σ = 212912823024. Its totient is φ = 209552412160.

The previous prime is 211232100301. The next prime is 211232100323. The reversal of 211232100311 is 113001232112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211232100311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211232100311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211232100301) 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, 153941 + ... + 667953.

It is an arithmetic number, because the mean of its divisors is an integer number (26614102878).

Almost surely, 2^211232100311 is an apocalyptic number.

211232100311 is a deficient number, since it is larger than the sum of its proper divisors (1680722713).

211232100311 is a wasteful number, since it uses less digits than its factorization.

211232100311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517281.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 211232100311 its reverse (113001232112), we get a palindrome (324233332423).

The spelling of 211232100311 in words is "two hundred eleven billion, two hundred thirty-two million, one hundred thousand, three hundred eleven".