133320213233 has 4 divisors (see below), whose sum is σ = 133324066788. Its totient is φ = 133316359680.

The previous prime is 133320213227. The next prime is 133320213241. The reversal of 133320213233 is 332312023331.

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: 332312023331 = 109 ⋅3048734159.

It can be written as a sum of positive squares in 2 ways, for example, as 22875655009 + 110444558224 = 151247^2 + 332332^2 .

It is a cyclic number.

It is not a de Polignac number, because 133320213233 - 2¹² = 133320209137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133320213133) 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, 1874408 + ... + 1944233.

It is an arithmetic number, because the mean of its divisors is an integer number (33331016697).

Almost surely, 2^133320213233 is an apocalyptic number.

It is an amenable number.

133320213233 is a deficient number, since it is larger than the sum of its proper divisors (3853555).

133320213233 is an equidigital number, since it uses as much as digits as its factorization.

133320213233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853554.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 133320213233 its reverse (332312023331), we get a palindrome (465632236564).

The spelling of 133320213233 in words is "one hundred thirty-three billion, three hundred twenty million, two hundred thirteen thousand, two hundred thirty-three".