133221231023311 has 6 divisors (see below), whose sum is σ = 140601908642712. Its totient is φ = 126209587284900.

The previous prime is 133221231023303. The next prime is 133221231023327. The reversal of 133221231023311 is 113320132122331.

It is not a de Polignac number, because 133221231023311 - 2³ = 133221231023303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133221231023311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133221231023411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184516940115 + ... + 184516940836.

It is an arithmetic number, because the mean of its divisors is an integer number (23433651440452).

Almost surely, 2^{133221231023311} is an apocalyptic number.

133221231023311 is a deficient number, since it is larger than the sum of its proper divisors (7380677619401).

133221231023311 is an equidigital number, since it uses as much as digits as its factorization.

133221231023311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369033880989 (or 369033880970 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 133221231023311 its reverse (113320132122331), we get a palindrome (246541363145642).

The spelling of 133221231023311 in words is "one hundred thirty-three trillion, two hundred twenty-one billion, two hundred thirty-one million, twenty-three thousand, three hundred eleven".