133304211 has 16 divisors (see below), whose sum is σ = 199929120. Its totient is φ = 88868016.

The previous prime is 133304203. The next prime is 133304219. The reversal of 133304211 is 112403331.

It is an interprime number because it is at equal distance from previous prime (133304203) and next prime (133304219).

It is not a de Polignac number, because 133304211 - 2³ = 133304203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133304219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28290 + ... + 32663.

It is an arithmetic number, because the mean of its divisors is an integer number (12495570).

Almost surely, 2^133304211 is an apocalyptic number.

133304211 is a deficient number, since it is larger than the sum of its proper divisors (66624909).

133304211 is an frugal number, since it uses more digits than its factorization.

133304211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60974 (or 60956 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 133304211 is about 11545.7442809028. The cubic root of 133304211 is about 510.8357576895.

Adding to 133304211 its reverse (112403331), we get a palindrome (245707542).

The spelling of 133304211 in words is "one hundred thirty-three million, three hundred four thousand, two hundred eleven".