133112303 has 4 divisors (see below), whose sum is σ = 133240008. Its totient is φ = 132984600.

The previous prime is 133112269. The next prime is 133112311. The reversal of 133112303 is 303211331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303211331 = 271 ⋅1118861.

It is a cyclic number.

It is not a de Polignac number, because 133112303 - 2²⁰ = 132063727 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 (133112003) 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 3 ways as a sum of consecutive naturals, for example, 62276 + ... + 64377.

It is an arithmetic number, because the mean of its divisors is an integer number (33310002).

Almost surely, 2^133112303 is an apocalyptic number.

133112303 is a deficient number, since it is larger than the sum of its proper divisors (127705).

133112303 is a wasteful number, since it uses less digits than its factorization.

133112303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127704.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 133112303 is about 11537.4305198341. The cubic root of 133112303 is about 510.5905027464.

Adding to 133112303 its reverse (303211331), we get a palindrome (436323634).

The spelling of 133112303 in words is "one hundred thirty-three million, one hundred twelve thousand, three hundred three".