133317303 has 32 divisors (see below), whose sum is σ = 206668800. Its totient is φ = 74876160.

The previous prime is 133317299. The next prime is 133317311. The reversal of 133317303 is 303713331.

It is not a de Polignac number, because 133317303 - 2² = 133317299 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133317343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428518 + ... + 428828.

It is an arithmetic number, because the mean of its divisors is an integer number (6458400).

Almost surely, 2^133317303 is an apocalyptic number.

133317303 is a deficient number, since it is larger than the sum of its proper divisors (73351497).

133317303 is a wasteful number, since it uses less digits than its factorization.

133317303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607.

The product of its (nonzero) digits is 1701, while the sum is 24.

The square root of 133317303 is about 11546.3112291329. The cubic root of 133317303 is about 510.8524804491.

The spelling of 133317303 in words is "one hundred thirty-three million, three hundred seventeen thousand, three hundred three".