3109291161 has 16 divisors (see below), whose sum is σ = 4198326528. Its totient is φ = 2046672000.

The previous prime is 3109291151. The next prime is 3109291169. The reversal of 3109291161 is 1611929013.

It is not a de Polignac number, because 3109291161 - 2³⁰ = 2035549337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3109291169) 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 15 ways as a sum of consecutive naturals, for example, 97221 + ... + 125181.

It is an arithmetic number, because the mean of its divisors is an integer number (262395408).

Almost surely, 2^3109291161 is an apocalyptic number.

It is an amenable number.

3109291161 is a deficient number, since it is larger than the sum of its proper divisors (1089035367).

3109291161 is a wasteful number, since it uses less digits than its factorization.

3109291161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28432.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 3109291161 is about 55761.0182923519. The cubic root of 3109291161 is about 1459.5549968297.

The spelling of 3109291161 in words is "three billion, one hundred nine million, two hundred ninety-one thousand, one hundred sixty-one".