133301220321331 has 2 divisors, whose sum is σ = 133301220321332. Its totient is φ = 133301220321330.

The previous prime is 133301220321277. The next prime is 133301220321341. The reversal of 133301220321331 is 133123022103331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133301220321331 - 2⁹ = 133301220320819 is a prime.

It is a super-2 number, since 2×133301220321331² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133301220321331.

It is not a weakly prime, because it can be changed into another prime (133301220321341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66650610160665 + 66650610160666.

It is an arithmetic number, because the mean of its divisors is an integer number (66650610160666).

Almost surely, 2^{133301220321331} is an apocalyptic number.

133301220321331 is a deficient number, since it is larger than the sum of its proper divisors (1).

133301220321331 is an equidigital number, since it uses as much as digits as its factorization.

133301220321331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 133301220321331 its reverse (133123022103331), we get a palindrome (266424242424662).

The spelling of 133301220321331 in words is "one hundred thirty-three trillion, three hundred one billion, two hundred twenty million, three hundred twenty-one thousand, three hundred thirty-one".