33130091 has 16 divisors (see below), whose sum is σ = 36288000. Its totient is φ = 30139200.

The previous prime is 33130087. The next prime is 33130099. The reversal of 33130091 is 19003133.

It is a cyclic number.

It is not a de Polignac number, because 33130091 - 2² = 33130087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33130099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55010 + ... + 55608.

It is an arithmetic number, because the mean of its divisors is an integer number (2268000).

Almost surely, 2^33130091 is an apocalyptic number.

33130091 is a deficient number, since it is larger than the sum of its proper divisors (3157909).

33130091 is a wasteful number, since it uses less digits than its factorization.

33130091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 33130091 is about 5755.8744774361. The cubic root of 33130091 is about 321.1743665659.

The spelling of 33130091 in words is "thirty-three million, one hundred thirty thousand, ninety-one".