133321013233 has 4 divisors (see below), whose sum is σ = 133322867188. Its totient is φ = 133319159280.

The previous prime is 133321013219. The next prime is 133321013281. The reversal of 133321013233 is 332310123331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76279811344 + 57041201889 = 276188^2 + 238833^2 .

It is a cyclic number.

It is not a de Polignac number, because 133321013233 - 2⁵ = 133321013201 is a prime.

It is a super-2 number, since 2×133321013233² (a number of 23 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 = 133321013198 and 133321013207.

It is not an unprimeable number, because it can be changed into a prime (133321013533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814566 + ... + 964447.

It is an arithmetic number, because the mean of its divisors is an integer number (33330716797).

Almost surely, 2^133321013233 is an apocalyptic number.

It is an amenable number.

133321013233 is a deficient number, since it is larger than the sum of its proper divisors (1853955).

133321013233 is an equidigital number, since it uses as much as digits as its factorization.

133321013233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853954.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 133321013233 its reverse (332310123331), we get a palindrome (465631136564).

The spelling of 133321013233 in words is "one hundred thirty-three billion, three hundred twenty-one million, thirteen thousand, two hundred thirty-three".