133323231031213 has 2 divisors, whose sum is σ = 133323231031214. Its totient is φ = 133323231031212.

The previous prime is 133323231031139. The next prime is 133323231031217. The reversal of 133323231031213 is 312130132323331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113009082308329 + 20314148722884 = 10630573^2 + 4507122^2 .

It is a cyclic number.

It is not a de Polignac number, because 133323231031213 - 2⁹ = 133323231030701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133323231031217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66661615515606 + 66661615515607.

It is an arithmetic number, because the mean of its divisors is an integer number (66661615515607).

Almost surely, 2^{133323231031213} is an apocalyptic number.

It is an amenable number.

133323231031213 is a deficient number, since it is larger than the sum of its proper divisors (1).

133323231031213 is an equidigital number, since it uses as much as digits as its factorization.

133323231031213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 133323231031213 its reverse (312130132323331), we get a palindrome (445453363354544).

The spelling of 133323231031213 in words is "one hundred thirty-three trillion, three hundred twenty-three billion, two hundred thirty-one million, thirty-one thousand, two hundred thirteen".