133313211 has 24 divisors (see below), whose sum is σ = 197113280. Its totient is φ = 86800896.

The previous prime is 133313161. The next prime is 133313231. The reversal of 133313211 is 112313331.

It is a happy number.

133313211 is a `hidden beast` number, since 13 + 331 + 321 + 1 = 666.

It is not a de Polignac number, because 133313211 - 2¹⁰ = 133312187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133313231) 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 23 ways as a sum of consecutive naturals, for example, 68001 + ... + 69933.

Almost surely, 2^133313211 is an apocalyptic number.

133313211 is a deficient number, since it is larger than the sum of its proper divisors (63800069).

133313211 is a wasteful number, since it uses less digits than its factorization.

133313211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115 (or 2112 counting only the distinct ones).

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

The square root of 133313211 is about 11546.1340283231. The cubic root of 133313211 is about 510.8472537463.

Adding to 133313211 its reverse (112313331), we get a palindrome (245626542).

The spelling of 133313211 in words is "one hundred thirty-three million, three hundred thirteen thousand, two hundred eleven".