133232231191 has 2 divisors, whose sum is σ = 133232231192. Its totient is φ = 133232231190.

The previous prime is 133232231189. The next prime is 133232231221. The reversal of 133232231191 is 191132232331.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (191132232331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133232231191 - 2¹ = 133232231189 is a prime.

Together with 133232231189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133232231141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66616115595 + 66616115596.

It is an arithmetic number, because the mean of its divisors is an integer number (66616115596).

Almost surely, 2^133232231191 is an apocalyptic number.

133232231191 is a deficient number, since it is larger than the sum of its proper divisors (1).

133232231191 is an equidigital number, since it uses as much as digits as its factorization.

133232231191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 31.

The spelling of 133232231191 in words is "one hundred thirty-three billion, two hundred thirty-two million, two hundred thirty-one thousand, one hundred ninety-one".