133211203 has 16 divisors (see below), whose sum is σ = 138900960. Its totient is φ = 127685376.

The previous prime is 133211179. The next prime is 133211219. The reversal of 133211203 is 302112331.

It is a cyclic number.

It is not a de Polignac number, because 133211203 - 2⁵ = 133211171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133211233) 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 15 ways as a sum of consecutive naturals, for example, 676101 + ... + 676297.

It is an arithmetic number, because the mean of its divisors is an integer number (8681310).

Almost surely, 2^133211203 is an apocalyptic number.

133211203 is a deficient number, since it is larger than the sum of its proper divisors (5689757).

133211203 is a wasteful number, since it uses less digits than its factorization.

133211203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 133211203 is about 11541.7157736621. The cubic root of 133211203 is about 510.7169245685.

Adding to 133211203 its reverse (302112331), we get a palindrome (435323534).

The spelling of 133211203 in words is "one hundred thirty-three million, two hundred eleven thousand, two hundred three".