133323310331 has 2 divisors, whose sum is σ = 133323310332. Its totient is φ = 133323310330.

The previous prime is 133323310301. The next prime is 133323310333. The reversal of 133323310331 is 133013323331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133323310331 - 2¹⁰ = 133323309307 is a prime.

It is a super-2 number, since 2×133323310331² (a number of 23 digits) contains 22 as substring.

Together with 133323310333, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133323310331.

It is not a weakly prime, because it can be changed into another prime (133323310333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66661655165 + 66661655166.

It is an arithmetic number, because the mean of its divisors is an integer number (66661655166).

Almost surely, 2^133323310331 is an apocalyptic number.

133323310331 is a deficient number, since it is larger than the sum of its proper divisors (1).

133323310331 is an equidigital number, since it uses as much as digits as its factorization.

133323310331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 133323310331 its reverse (133013323331), we get a palindrome (266336633662).

The spelling of 133323310331 in words is "one hundred thirty-three billion, three hundred twenty-three million, three hundred ten thousand, three hundred thirty-one".