211313133 has 12 divisors (see below), whose sum is σ = 305438848. Its totient is φ = 140779080.

The previous prime is 211313129. The next prime is 211313147. The reversal of 211313133 is 331313112.

It is a happy number.

211313133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211313133 - 2² = 211313129 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 (211313183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7428 + ... + 21858.

Almost surely, 2^211313133 is an apocalyptic number.

It is an amenable number.

211313133 is a deficient number, since it is larger than the sum of its proper divisors (94125715).

211313133 is a wasteful number, since it uses less digits than its factorization.

211313133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16064 (or 16061 counting only the distinct ones).

The product of its digits is 162, while the sum is 18.

The square root of 211313133 is about 14536.6135327318. The cubic root of 211313133 is about 595.6285361897.

Adding to 211313133 its reverse (331313112), we get a palindrome (542626245).

The spelling of 211313133 in words is "two hundred eleven million, three hundred thirteen thousand, one hundred thirty-three".