133344443331 has 24 divisors (see below), whose sum is σ = 210155353200. Its totient is φ = 80800646400.

The previous prime is 133344443291. The next prime is 133344443389.

133344443331 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 133344443331 - 2¹¹ = 133344441283 is a prime.

It is a super-2 number, since 2×133344443331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133344443831) 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 23 ways as a sum of consecutive naturals, for example, 463911 + ... + 694191.

It is an arithmetic number, because the mean of its divisors is an integer number (8756473050).

Almost surely, 2^133344443331 is an apocalyptic number.

133344443331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133344443331 is a deficient number, since it is larger than the sum of its proper divisors (76810909869).

133344443331 is a wasteful number, since it uses less digits than its factorization.

133344443331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236147 (or 236144 counting only the distinct ones).

The product of its digits is 186624, while the sum is 36.

It can be divided in two parts, 133344 and 443331, that added together give a palindrome (576675).

The spelling of 133344443331 in words is "one hundred thirty-three billion, three hundred forty-four million, four hundred forty-three thousand, three hundred thirty-one".