133321233333 has 4 divisors (see below), whose sum is σ = 177761644448. Its totient is φ = 88880822220.

The previous prime is 133321233307. The next prime is 133321233343. The reversal of 133321233333 is 333332123331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 333332123331 = 3 ⋅111110707777.

It is not a de Polignac number, because 133321233333 - 2⁸ = 133321233077 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 133321233333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133321233343) 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, 22220205553 + ... + 22220205558.

It is an arithmetic number, because the mean of its divisors is an integer number (44440411112).

Almost surely, 2^133321233333 is an apocalyptic number.

It is an amenable number.

133321233333 is a deficient number, since it is larger than the sum of its proper divisors (44440411115).

133321233333 is an equidigital number, since it uses as much as digits as its factorization.

133321233333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44440411114.

The product of its digits is 26244, while the sum is 30.

Adding to 133321233333 its reverse (333332123331), we get a palindrome (466653356664).

The spelling of 133321233333 in words is "one hundred thirty-three billion, three hundred twenty-one million, two hundred thirty-three thousand, three hundred thirty-three".