33069331 has 4 divisors (see below), whose sum is σ = 34507152. Its totient is φ = 31631512.

The previous prime is 33069293. The next prime is 33069353. The reversal of 33069331 is 13396033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13396033 = 7 ⋅1913719.

It is a cyclic number.

It is not a de Polignac number, because 33069331 - 2¹⁷ = 32938259 is a prime.

It is a super-2 number, since 2×33069331² = 2187161305575122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33069331.

It is not an unprimeable number, because it can be changed into a prime (33069371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718876 + ... + 718921.

It is an arithmetic number, because the mean of its divisors is an integer number (8626788).

Almost surely, 2^33069331 is an apocalyptic number.

33069331 is a deficient number, since it is larger than the sum of its proper divisors (1437821).

33069331 is a wasteful number, since it uses less digits than its factorization.

33069331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437820.

The product of its (nonzero) digits is 4374, while the sum is 28.

The square root of 33069331 is about 5750.5939693218. The cubic root of 33069331 is about 320.9779037142.

It can be divided in two parts, 330 and 69331, that multiplied together give a triangular number (22879230 = T₆₇₆₄).

The spelling of 33069331 in words is "thirty-three million, sixty-nine thousand, three hundred thirty-one".