133113211 has 16 divisors (see below), whose sum is σ = 167166720. Its totient is φ = 102970080.

The previous prime is 133113199. The next prime is 133113229. The reversal of 133113211 is 112311331.

It is a cyclic number.

It is not a de Polignac number, because 133113211 - 2²⁵ = 99558779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133113241) 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 15 ways as a sum of consecutive naturals, for example, 4485 + ... + 16921.

It is an arithmetic number, because the mean of its divisors is an integer number (10447920).

Almost surely, 2^133113211 is an apocalyptic number.

133113211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133113211 is a deficient number, since it is larger than the sum of its proper divisors (34053509).

133113211 is a wasteful number, since it uses less digits than its factorization.

133113211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12594.

The product of its digits is 54, while the sum is 16.

The square root of 133113211 is about 11537.4698699498. The cubic root of 133113211 is about 510.5916637088.

Adding to 133113211 its reverse (112311331), we get a palindrome (245424542).

The spelling of 133113211 in words is "one hundred thirty-three million, one hundred thirteen thousand, two hundred eleven".