133323331 has 8 divisors (see below), whose sum is σ = 136146384. Its totient is φ = 130527360.

The previous prime is 133323329. The next prime is 133323347.

133323331 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 133323331 - 2¹ = 133323329 is a prime.

It is a super-2 number, since 2×133323331² = 35550221177871122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (133320331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3336 + ... + 16666.

It is an arithmetic number, because the mean of its divisors is an integer number (17018298).

Almost surely, 2^133323331 is an apocalyptic number.

133323331 is a deficient number, since it is larger than the sum of its proper divisors (2823053).

133323331 is a wasteful number, since it uses less digits than its factorization.

133323331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13541.

The product of its digits is 1458, while the sum is 22.

The square root of 133323331 is about 11546.5722619312. The cubic root of 133323331 is about 510.8601798056.

The spelling of 133323331 in words is "one hundred thirty-three million, three hundred twenty-three thousand, three hundred thirty-one".