133333333333331 has 16 divisors (see below), whose sum is σ = 141762599846400. Its totient is φ = 125046088771968.

The previous prime is 133333333333303. The next prime is 133333333333339.

133333333333331 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133333333333331 is a prime.

It is a super-2 number, since 2×133333333333331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133333333333339) 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 15 ways as a sum of consecutive naturals, for example, 6149846 + ... + 17449563.

It is an arithmetic number, because the mean of its divisors is an integer number (8860162490400).

Almost surely, 2^{133333333333331} is an apocalyptic number.

133333333333331 is a deficient number, since it is larger than the sum of its proper divisors (8429266513069).

133333333333331 is a wasteful number, since it uses less digits than its factorization.

133333333333331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23602418.

The product of its digits is 1594323, while the sum is 41.

The spelling of 133333333333331 in words is "one hundred thirty-three trillion, three hundred thirty-three billion, three hundred thirty-three million, three hundred thirty-three thousand, three hundred thirty-one".