211331133023 has 8 divisors (see below), whose sum is σ = 223847796240. Its totient is φ = 198823960960.

The previous prime is 211331133017. The next prime is 211331133037. The reversal of 211331133023 is 320331133112.

211331133023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 211331133023 - 2¹⁶ = 211331067487 is a prime.

It is a super-2 number, since 2×211331133023² (a number of 23 digits) contains 22 as substring.

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 211331133023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211331133053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2326913 + ... + 2416026.

It is an arithmetic number, because the mean of its divisors is an integer number (27980974530).

Almost surely, 2^211331133023 is an apocalyptic number.

211331133023 is a deficient number, since it is larger than the sum of its proper divisors (12516663217).

211331133023 is a wasteful number, since it uses less digits than its factorization.

211331133023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745577.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 211331133023 its reverse (320331133112), we get a palindrome (531662266135).

The spelling of 211331133023 in words is "two hundred eleven billion, three hundred thirty-one million, one hundred thirty-three thousand, twenty-three".