133103101 has 4 divisors (see below), whose sum is σ = 133128604. Its totient is φ = 133077600.

The previous prime is 133103077. The next prime is 133103123. The reversal of 133103101 is 101301331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101301331 = 19 ⋅5331649.

It can be written as a sum of positive squares in 2 ways, for example, as 52911076 + 80192025 = 7274^2 + 8955^2 .

It is a cyclic number.

It is not a de Polignac number, because 133103101 - 2⁹ = 133102589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133103141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1770 + ... + 16411.

It is an arithmetic number, because the mean of its divisors is an integer number (33282151).

Almost surely, 2^133103101 is an apocalyptic number.

It is an amenable number.

133103101 is a deficient number, since it is larger than the sum of its proper divisors (25503).

133103101 is an equidigital number, since it uses as much as digits as its factorization.

133103101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25502.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 133103101 is about 11537.0317239748. The cubic root of 133103101 is about 510.5787368366.

Adding to 133103101 its reverse (101301331), we get a palindrome (234404432).

The spelling of 133103101 in words is "one hundred thirty-three million, one hundred three thousand, one hundred one".