133333103 has 2 divisors, whose sum is σ = 133333104. Its totient is φ = 133333102.

The previous prime is 133333099. The next prime is 133333111. The reversal of 133333103 is 301333331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133333103 - 2² = 133333099 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133332103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66666551 + 66666552.

It is an arithmetic number, because the mean of its divisors is an integer number (66666552).

Almost surely, 2^133333103 is an apocalyptic number.

133333103 is a deficient number, since it is larger than the sum of its proper divisors (1).

133333103 is an equidigital number, since it uses as much as digits as its factorization.

133333103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 20.

The square root of 133333103 is about 11546.9954100623. The cubic root of 133333103 is about 510.8726607512.

Adding to 133333103 its reverse (301333331), we get a palindrome (434666434).

The spelling of 133333103 in words is "one hundred thirty-three million, three hundred thirty-three thousand, one hundred three".