133402231321 has 2 divisors, whose sum is σ = 133402231322. Its totient is φ = 133402231320.

The previous prime is 133402231301. The next prime is 133402231327. The reversal of 133402231321 is 123132204331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101801836096 + 31600395225 = 319064^2 + 177765^2 .

It is a cyclic number.

It is not a de Polignac number, because 133402231321 - 2²⁹ = 132865360409 is a prime.

It is not a weakly prime, because it can be changed into another prime (133402231327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66701115660 + 66701115661.

It is an arithmetic number, because the mean of its divisors is an integer number (66701115661).

Almost surely, 2^133402231321 is an apocalyptic number.

It is an amenable number.

133402231321 is a deficient number, since it is larger than the sum of its proper divisors (1).

133402231321 is an equidigital number, since it uses as much as digits as its factorization.

133402231321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 133402231321 its reverse (123132204331), we get a palindrome (256534435652).

The spelling of 133402231321 in words is "one hundred thirty-three billion, four hundred two million, two hundred thirty-one thousand, three hundred twenty-one".