133103323213 has 4 divisors (see below), whose sum is σ = 152118083680. Its totient is φ = 114088562748.

The previous prime is 133103323163. The next prime is 133103323231. The reversal of 133103323213 is 312323301331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312323301331 = 12203 ⋅25593977.

It is a cyclic number.

It is not a de Polignac number, because 133103323213 - 2²⁵ = 133069768781 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 (133103353213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9507380223 + ... + 9507380236.

It is an arithmetic number, because the mean of its divisors is an integer number (38029520920).

Almost surely, 2^133103323213 is an apocalyptic number.

It is an amenable number.

133103323213 is a deficient number, since it is larger than the sum of its proper divisors (19014760467).

133103323213 is an equidigital number, since it uses as much as digits as its factorization.

133103323213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19014760466.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 133103323213 its reverse (312323301331), we get a palindrome (445426624544).

The spelling of 133103323213 in words is "one hundred thirty-three billion, one hundred three million, three hundred twenty-three thousand, two hundred thirteen".