133312003 has 8 divisors (see below), whose sum is σ = 145515456. Its totient is φ = 121122600.

The previous prime is 133311991. The next prime is 133312051. The reversal of 133312003 is 300213331.

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 133312003 - 2⁹ = 133311491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133312103) 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, 31948 + ... + 35878.

It is an arithmetic number, because the mean of its divisors is an integer number (18189432).

Almost surely, 2^133312003 is an apocalyptic number.

133312003 is a deficient number, since it is larger than the sum of its proper divisors (12203453).

133312003 is a wasteful number, since it uses less digits than its factorization.

133312003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7025.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 133312003 is about 11546.0817163226. The cubic root of 133312003 is about 510.8457107501.

Adding to 133312003 its reverse (300213331), we get a palindrome (433525334).

The spelling of 133312003 in words is "one hundred thirty-three million, three hundred twelve thousand, three".