133340331 has 8 divisors (see below), whose sum is σ = 183522304. Its totient is φ = 86025960.

The previous prime is 133340329. The next prime is 133340351. The reversal of 133340331 is 133043331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133340331 - 2¹ = 133340329 is a prime.

It is a super-2 number, since 2×133340331² = 35559287742379122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133340298 and 133340307.

It is not an unprimeable number, because it can be changed into a prime (133340351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716791 + ... + 716976.

It is an arithmetic number, because the mean of its divisors is an integer number (22940288).

Almost surely, 2^133340331 is an apocalyptic number.

133340331 is a deficient number, since it is larger than the sum of its proper divisors (50181973).

133340331 is a wasteful number, since it uses less digits than its factorization.

133340331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433801.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 133340331 is about 11547.3083876720. The cubic root of 133340331 is about 510.8818920693.

Adding to 133340331 its reverse (133043331), we get a palindrome (266383662).

The spelling of 133340331 in words is "one hundred thirty-three million, three hundred forty thousand, three hundred thirty-one".