133011317 has 2 divisors, whose sum is σ = 133011318. Its totient is φ = 133011316.

The previous prime is 133011287. The next prime is 133011353. The reversal of 133011317 is 713110331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123854641 + 9156676 = 11129^2 + 3026^2 .

It is a cyclic number.

It is not a de Polignac number, because 133011317 - 2⁸ = 133011061 is a prime.

It is a super-4 number, since 4×133011317⁴ (a number of 34 digits) contains 4444 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133011367) 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 as a sum of consecutive naturals, namely, 66505658 + 66505659.

It is an arithmetic number, because the mean of its divisors is an integer number (66505659).

Almost surely, 2^133011317 is an apocalyptic number.

It is an amenable number.

133011317 is a deficient number, since it is larger than the sum of its proper divisors (1).

133011317 is an equidigital number, since it uses as much as digits as its factorization.

133011317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 133011317 is about 11533.0532384100. The cubic root of 133011317 is about 510.4613498027.

Adding to 133011317 its reverse (713110331), we get a palindrome (846121648).

The spelling of 133011317 in words is "one hundred thirty-three million, eleven thousand, three hundred seventeen".