133313103 has 48 divisors (see below), whose sum is σ = 245246976. Its totient is φ = 67763520.

The previous prime is 133313077. The next prime is 133313107. The reversal of 133313103 is 301313331.

It is not a de Polignac number, because 133313103 - 2⁸ = 133312847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133313107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30525 + ... + 34617.

It is an arithmetic number, because the mean of its divisors is an integer number (5109312).

Almost surely, 2^133313103 is an apocalyptic number.

133313103 is a deficient number, since it is larger than the sum of its proper divisors (111933873).

133313103 is a wasteful number, since it uses less digits than its factorization.

133313103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164 (or 4161 counting only the distinct ones).

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

The square root of 133313103 is about 11546.1293514320. The cubic root of 133313103 is about 510.8471157967.

Adding to 133313103 its reverse (301313331), we get a palindrome (434626434).

It can be divided in two parts, 133 and 313103, that added together give a triangular number (313236 = T₇₉₁).

The spelling of 133313103 in words is "one hundred thirty-three million, three hundred thirteen thousand, one hundred three".