211001311323 has 96 divisors (see below), whose sum is σ = 349825132800. Its totient is φ = 121379731200.

The previous prime is 211001311321. The next prime is 211001311333. The reversal of 211001311323 is 323113100112.

211001311323 is a `hidden beast` number, since 21 + 10 + 0 + 1 + 311 + 323 = 666.

It is not a de Polignac number, because 211001311323 - 2¹ = 211001311321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211001311296 and 211001311305.

It is not an unprimeable number, because it can be changed into a prime (211001311321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40992436 + ... + 40997582.

It is an arithmetic number, because the mean of its divisors is an integer number (3644011800).

Almost surely, 2^211001311323 is an apocalyptic number.

211001311323 is a deficient number, since it is larger than the sum of its proper divisors (138823821477).

211001311323 is a wasteful number, since it uses less digits than its factorization.

211001311323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5433 (or 5430 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 211001311323 its reverse (323113100112), we get a palindrome (534114411435).

The spelling of 211001311323 in words is "two hundred eleven billion, one million, three hundred eleven thousand, three hundred twenty-three".