133232230331 has 16 divisors (see below), whose sum is σ = 145596938400. Its totient is φ = 121433760000.

The previous prime is 133232230309. The next prime is 133232230349. The reversal of 133232230331 is 133032232331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133232230331 - 2²² = 133228036027 is a prime.

It is a super-2 number, since 2×133232230331² (a number of 23 digits) contains 22 as substring.

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 133232230331.

It is not an unprimeable number, because it can be changed into a prime (133232230361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275420 + ... + 585081.

It is an arithmetic number, because the mean of its divisors is an integer number (9099808650).

Almost surely, 2^133232230331 is an apocalyptic number.

133232230331 is a deficient number, since it is larger than the sum of its proper divisors (12364708069).

133232230331 is a wasteful number, since it uses less digits than its factorization.

133232230331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860830.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 133232230331 its reverse (133032232331), we get a palindrome (266264462662).

The spelling of 133232230331 in words is "one hundred thirty-three billion, two hundred thirty-two million, two hundred thirty thousand, three hundred thirty-one".