133047311 has 2 divisors, whose sum is σ = 133047312. Its totient is φ = 133047310.

The previous prime is 133047307. The next prime is 133047323. The reversal of 133047311 is 113740331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133047311 - 2² = 133047307 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133047361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66523655 + 66523656.

It is an arithmetic number, because the mean of its divisors is an integer number (66523656).

Almost surely, 2^133047311 is an apocalyptic number.

133047311 is a deficient number, since it is larger than the sum of its proper divisors (1).

133047311 is an equidigital number, since it uses as much as digits as its factorization.

133047311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 133047311 is about 11534.6136042782. The cubic root of 133047311 is about 510.5073907190.

Adding to 133047311 its reverse (113740331), we get a palindrome (246787642).

The spelling of 133047311 in words is "one hundred thirty-three million, forty-seven thousand, three hundred eleven".