3081919193 has 8 divisors (see below), whose sum is σ = 3096931968. Its totient is φ = 3066922144.

The previous prime is 3081919123. The next prime is 3081919199. The reversal of 3081919193 is 3919191803.

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 3081919193 - 2²⁶ = 3014810329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3081919199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617996 + ... + 622962.

It is an arithmetic number, because the mean of its divisors is an integer number (387116496).

Almost surely, 2^3081919193 is an apocalyptic number.

It is an amenable number.

3081919193 is a deficient number, since it is larger than the sum of its proper divisors (15012775).

3081919193 is a wasteful number, since it uses less digits than its factorization.

3081919193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7863.

The product of its (nonzero) digits is 52488, while the sum is 44.

The square root of 3081919193 is about 55515.0357380773. The cubic root of 3081919193 is about 1455.2594087220.

The spelling of 3081919193 in words is "three billion, eighty-one million, nine hundred nineteen thousand, one hundred ninety-three".