133531364213323 has 2 divisors, whose sum is σ = 133531364213324. Its totient is φ = 133531364213322.

The previous prime is 133531364213321. The next prime is 133531364213339. The reversal of 133531364213323 is 323312463135331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133531364213323 - 2¹ = 133531364213321 is a prime.

It is a super-2 number, since 2×133531364213323² (a number of 29 digits) contains 22 as substring.

Together with 133531364213321, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 133531364213323.

It is not a weakly prime, because it can be changed into another prime (133531364213321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66765682106661 + 66765682106662.

It is an arithmetic number, because the mean of its divisors is an integer number (66765682106662).

Almost surely, 2^{133531364213323} is an apocalyptic number.

133531364213323 is a deficient number, since it is larger than the sum of its proper divisors (1).

133531364213323 is an equidigital number, since it uses as much as digits as its factorization.

133531364213323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 43.

The spelling of 133531364213323 in words is "one hundred thirty-three trillion, five hundred thirty-one billion, three hundred sixty-four million, two hundred thirteen thousand, three hundred twenty-three".