33869131 has 2 divisors, whose sum is σ = 33869132. Its totient is φ = 33869130.

The previous prime is 33869111. The next prime is 33869159. The reversal of 33869131 is 13196833.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33869131 - 2⁹ = 33868619 is a prime.

It is a super-2 number, since 2×33869131² = 2294236069390322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33869111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16934565 + 16934566.

It is an arithmetic number, because the mean of its divisors is an integer number (16934566).

Almost surely, 2^33869131 is an apocalyptic number.

33869131 is a deficient number, since it is larger than the sum of its proper divisors (1).

33869131 is an equidigital number, since it uses as much as digits as its factorization.

33869131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 34.

The square root of 33869131 is about 5819.7191512993. The cubic root of 33869131 is about 323.5449939687.

The spelling of 33869131 in words is "thirty-three million, eight hundred sixty-nine thousand, one hundred thirty-one".