133023320321081 has 2 divisors, whose sum is σ = 133023320321082. Its totient is φ = 133023320321080.

The previous prime is 133023320321057. The next prime is 133023320321113. The reversal of 133023320321081 is 180123023320331.

It is an a-pointer prime, because the next prime (133023320321113) can be obtained adding 133023320321081 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132109162515625 + 914157805456 = 11493875^2 + 956116^2 .

It is a cyclic number.

It is not a de Polignac number, because 133023320321081 - 2¹⁴ = 133023320304697 is a prime.

It is a super-2 number, since 2×133023320321081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133023320321041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66511660160540 + 66511660160541.

It is an arithmetic number, because the mean of its divisors is an integer number (66511660160541).

Almost surely, 2^{133023320321081} is an apocalyptic number.

It is an amenable number.

133023320321081 is a deficient number, since it is larger than the sum of its proper divisors (1).

133023320321081 is an equidigital number, since it uses as much as digits as its factorization.

133023320321081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 133023320321081 in words is "one hundred thirty-three trillion, twenty-three billion, three hundred twenty million, three hundred twenty-one thousand, eighty-one".