133031203 has 2 divisors, whose sum is σ = 133031204. Its totient is φ = 133031202.

The previous prime is 133031191. The next prime is 133031221. The reversal of 133031203 is 302130331.

It is a weak prime.

It is an emirp because it is prime and its reverse (302130331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133031203 is a prime.

It is not a weakly prime, because it can be changed into another prime (133031263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66515601 + 66515602.

It is an arithmetic number, because the mean of its divisors is an integer number (66515602).

Almost surely, 2^133031203 is an apocalyptic number.

133031203 is a deficient number, since it is larger than the sum of its proper divisors (1).

133031203 is an equidigital number, since it uses as much as digits as its factorization.

133031203 is an odious number, because the sum of its binary digits is odd.

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

The square root of 133031203 is about 11533.9153369530. The cubic root of 133031203 is about 510.4867875594.

Adding to 133031203 its reverse (302130331), we get a palindrome (435161534).

The spelling of 133031203 in words is "one hundred thirty-three million, thirty-one thousand, two hundred three".