133103303 has 8 divisors (see below), whose sum is σ = 141555120. Its totient is φ = 124796160.

The previous prime is 133103297. The next prime is 133103317. The reversal of 133103303 is 303301331.

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

It is a cyclic number.

It is not a de Polignac number, because 133103303 - 2⁴ = 133103287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133103363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34268 + ... + 37953.

It is an arithmetic number, because the mean of its divisors is an integer number (17694390).

Almost surely, 2^133103303 is an apocalyptic number.

133103303 is a deficient number, since it is larger than the sum of its proper divisors (8451817).

133103303 is an equidigital number, since it uses as much as digits as its factorization.

133103303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72337.

The product of its (nonzero) digits is 243, while the sum is 17.

The square root of 133103303 is about 11537.0404783896. The cubic root of 133103303 is about 510.5789951247.

Adding to 133103303 its reverse (303301331), we get a palindrome (436404634).

The spelling of 133103303 in words is "one hundred thirty-three million, one hundred three thousand, three hundred three".