133311301 has 2 divisors, whose sum is σ = 133311302. Its totient is φ = 133311300.

The previous prime is 133311287. The next prime is 133311313. The reversal of 133311301 is 103113331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114597025 + 18714276 = 10705^2 + 4326^2 .

It is an emirp because it is prime and its reverse (103113331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133311301 - 2⁹ = 133310789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133311361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66655650 + 66655651.

It is an arithmetic number, because the mean of its divisors is an integer number (66655651).

Almost surely, 2^133311301 is an apocalyptic number.

It is an amenable number.

133311301 is a deficient number, since it is larger than the sum of its proper divisors (1).

133311301 is an equidigital number, since it uses as much as digits as its factorization.

133311301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 133311301 is about 11546.0513163592. The cubic root of 133311301 is about 510.8448140709.

Adding to 133311301 its reverse (103113331), we get a palindrome (236424632).

The spelling of 133311301 in words is "one hundred thirty-three million, three hundred eleven thousand, three hundred one".