133315211 has 2 divisors, whose sum is σ = 133315212. Its totient is φ = 133315210.

The previous prime is 133315187. The next prime is 133315271. The reversal of 133315211 is 112513331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133315211 - 2²² = 129120907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133315271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66657605 + 66657606.

It is an arithmetic number, because the mean of its divisors is an integer number (66657606).

Almost surely, 2^133315211 is an apocalyptic number.

133315211 is a deficient number, since it is larger than the sum of its proper divisors (1).

133315211 is an equidigital number, since it uses as much as digits as its factorization.

133315211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270, while the sum is 20.

The square root of 133315211 is about 11546.2206370743. The cubic root of 133315211 is about 510.8498083554.

Adding to 133315211 its reverse (112513331), we get a palindrome (245828542).

The spelling of 133315211 in words is "one hundred thirty-three million, three hundred fifteen thousand, two hundred eleven".