133331103 has 20 divisors (see below), whose sum is σ = 199815528. Its totient is φ = 88601040.

The previous prime is 133331083. The next prime is 133331129. The reversal of 133331103 is 301133331.

It is not a de Polignac number, because 133331103 - 2¹⁴ = 133314719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133331173) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24325 + ... + 29297.

Almost surely, 2^133331103 is an apocalyptic number.

133331103 is a deficient number, since it is larger than the sum of its proper divisors (66484425).

133331103 is an equidigital number, since it uses as much as digits as its factorization.

133331103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5316 (or 5307 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

The square root of 133331103 is about 11546.9088071224. The cubic root of 133331103 is about 510.8701063707.

Adding to 133331103 its reverse (301133331), we get a palindrome (434464434).

The spelling of 133331103 in words is "one hundred thirty-three million, three hundred thirty-one thousand, one hundred three".