3102091 has 4 divisors (see below), whose sum is σ = 3124872. Its totient is φ = 3079312.

The previous prime is 3102067. The next prime is 3102097. The reversal of 3102091 is 1902013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1902013 = 839 ⋅2267.

It is a cyclic number.

It is not a de Polignac number, because 3102091 - 2⁵ = 3102059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3102097) 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, 11185 + ... + 11458.

It is an arithmetic number, because the mean of its divisors is an integer number (781218).

Almost surely, 2^3102091 is an apocalyptic number.

3102091 is a deficient number, since it is larger than the sum of its proper divisors (22781).

3102091 is a wasteful number, since it uses less digits than its factorization.

3102091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22780.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 3102091 is about 1761.2753901648. The cubic root of 3102091 is about 145.8427499407.

It can be divided in two parts, 310 and 2091, that added together give a 4-th power (2401 = 7⁴).

The spelling of 3102091 in words is "three million, one hundred two thousand, ninety-one".