133011303 has 8 divisors (see below), whose sum is σ = 177643008. Its totient is φ = 88526904.

The previous prime is 133011287. The next prime is 133011317. The reversal of 133011303 is 303110331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133011303 - 2⁴ = 133011287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133011353) 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 in 7 ways as a sum of consecutive naturals, for example, 34701 + ... + 38342.

It is an arithmetic number, because the mean of its divisors is an integer number (22205376).

Almost surely, 2^133011303 is an apocalyptic number.

133011303 is a deficient number, since it is larger than the sum of its proper divisors (44631705).

133011303 is an equidigital number, since it uses as much as digits as its factorization.

133011303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73653.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 133011303 is about 11533.0526314589. The cubic root of 133011303 is about 510.4613318933.

Adding to 133011303 its reverse (303110331), we get a palindrome (436121634).

The spelling of 133011303 in words is "one hundred thirty-three million, eleven thousand, three hundred three".