133221311330231 has 8 divisors (see below), whose sum is σ = 140739215471280. Its totient is φ = 125754032806848.

The previous prime is 133221311330197. The next prime is 133221311330251. The reversal of 133221311330231 is 132033113122331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133221311330231 - 2³⁴ = 133204131461047 is a prime.

It is a super-2 number, since 2×133221311330231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133221311330194 and 133221311330203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133221311330251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12656399006 + ... + 12656409531.

It is an arithmetic number, because the mean of its divisors is an integer number (17592401933910).

Almost surely, 2^{133221311330231} is an apocalyptic number.

133221311330231 is a deficient number, since it is larger than the sum of its proper divisors (7517904141049).

133221311330231 is a wasteful number, since it uses less digits than its factorization.

133221311330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25312808833.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 133221311330231 its reverse (132033113122331), we get a palindrome (265254424452562).

The spelling of 133221311330231 in words is "one hundred thirty-three trillion, two hundred twenty-one billion, three hundred eleven million, three hundred thirty thousand, two hundred thirty-one".