13033320133 has 4 divisors (see below), whose sum is σ = 13058926380. Its totient is φ = 13007713888.

The previous prime is 13033320109. The next prime is 13033320143. The reversal of 13033320133 is 33102333031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33102333031 = 15443 ⋅2143517.

It can be written as a sum of positive squares in 2 ways, for example, as 11389585284 + 1643734849 = 106722^2 + 40543^2 .

It is a cyclic number.

It is not a de Polignac number, because 13033320133 - 2²⁹ = 12496449221 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 (13033320143) 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, 12802360 + ... + 12803377.

It is an arithmetic number, because the mean of its divisors is an integer number (3264731595).

Almost surely, 2^13033320133 is an apocalyptic number.

It is an amenable number.

13033320133 is a deficient number, since it is larger than the sum of its proper divisors (25606247).

13033320133 is an equidigital number, since it uses as much as digits as its factorization.

13033320133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25606246.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 13033320133 its reverse (33102333031), we get a palindrome (46135653164).

The spelling of 13033320133 in words is "thirteen billion, thirty-three million, three hundred twenty thousand, one hundred thirty-three".