133011203 has 8 divisors (see below), whose sum is σ = 143354400. Its totient is φ = 122683968.

The previous prime is 133011167. The next prime is 133011209. The reversal of 133011203 is 302110331.

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 133011203 - 2¹⁰ = 133010179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133011209) 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, 17738 + ... + 24096.

It is an arithmetic number, because the mean of its divisors is an integer number (17919300).

Almost surely, 2^133011203 is an apocalyptic number.

133011203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

133011203 is a deficient number, since it is larger than the sum of its proper divisors (10343197).

133011203 is a wasteful number, since it uses less digits than its factorization.

133011203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7981.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 133011203 is about 11533.0482960924. The cubic root of 133011203 is about 510.4612039690.

Adding to 133011203 its reverse (302110331), we get a palindrome (435121534).

The spelling of 133011203 in words is "one hundred thirty-three million, eleven thousand, two hundred three".