133233113331 has 48 divisors (see below), whose sum is σ = 203709673440. Its totient is φ = 86988245760.

The previous prime is 133233113329. The next prime is 133233113383. The reversal of 133233113331 is 133311332331.

133233113331 is a `hidden beast` number, since 1 + 3 + 323 + 3 + 1 + 1 + 3 + 331 = 666.

It is not a de Polignac number, because 133233113331 - 2¹ = 133233113329 is a prime.

It is a super-2 number, since 2×133233113331² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 133233113295 and 133233113304.

It is not an unprimeable number, because it can be changed into a prime (133233513331) 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 47 ways as a sum of consecutive naturals, for example, 7319061 + ... + 7337241.

It is an arithmetic number, because the mean of its divisors is an integer number (4243951530).

Almost surely, 2^133233113331 is an apocalyptic number.

133233113331 is a deficient number, since it is larger than the sum of its proper divisors (70476560109).

133233113331 is an equidigital number, since it uses as much as digits as its factorization.

133233113331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18818 (or 18806 counting only the distinct ones).

The product of its digits is 4374, while the sum is 27.

Adding to 133233113331 its reverse (133311332331), we get a palindrome (266544445662).

The spelling of 133233113331 in words is "one hundred thirty-three billion, two hundred thirty-three million, one hundred thirteen thousand, three hundred thirty-one".