133423132331 has 2 divisors, whose sum is σ = 133423132332. Its totient is φ = 133423132330.

The previous prime is 133423132313. The next prime is 133423132361. The reversal of 133423132331 is 133231324331.

Together with previous prime (133423132313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133423132331 - 2²² = 133418938027 is a prime.

It is a super-2 number, since 2×133423132331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133423132294 and 133423132303.

It is not a weakly prime, because it can be changed into another prime (133423132301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66711566165 + 66711566166.

It is an arithmetic number, because the mean of its divisors is an integer number (66711566166).

Almost surely, 2^133423132331 is an apocalyptic number.

133423132331 is a deficient number, since it is larger than the sum of its proper divisors (1).

133423132331 is an equidigital number, since it uses as much as digits as its factorization.

133423132331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 29.

Adding to 133423132331 its reverse (133231324331), we get a palindrome (266654456662).

The spelling of 133423132331 in words is "one hundred thirty-three billion, four hundred twenty-three million, one hundred thirty-two thousand, three hundred thirty-one".