133233213331 has 6 divisors (see below), whose sum is σ = 141531476060. Its totient is φ = 125395965216.

The previous prime is 133233213319. The next prime is 133233213343. The reversal of 133233213331 is 133312332331.

It is an interprime number because it is at equal distance from previous prime (133233213319) and next prime (133233213343).

It is not a de Polignac number, because 133233213331 - 2⁷ = 133233213203 is a prime.

It is a super-2 number, since 2×133233213331² (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 133233213331.

It is not an unprimeable number, because it can be changed into a prime (133233213031) 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, 230507001 + ... + 230507578.

Almost surely, 2^133233213331 is an apocalyptic number.

133233213331 is a deficient number, since it is larger than the sum of its proper divisors (8298262729).

133233213331 is an equidigital number, since it uses as much as digits as its factorization.

133233213331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461014613 (or 461014596 counting only the distinct ones).

The product of its digits is 8748, while the sum is 28.

Adding to 133233213331 its reverse (133312332331), we get a palindrome (266545545662).

The spelling of 133233213331 in words is "one hundred thirty-three billion, two hundred thirty-three million, two hundred thirteen thousand, three hundred thirty-one".