6109931 has 4 divisors (see below), whose sum is σ = 6201192. Its totient is φ = 6018672.

The previous prime is 6109907. The next prime is 6109937. The reversal of 6109931 is 1399016.

6109931 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6109931 - 2⁶ = 6109867 is a prime.

It is a super-2 number, since 2×6109931² = 74662513649522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6109894 and 6109903.

It is not an unprimeable number, because it can be changed into a prime (6109937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45530 + ... + 45663.

It is an arithmetic number, because the mean of its divisors is an integer number (1550298).

Almost surely, 2^6109931 is an apocalyptic number.

6109931 is a deficient number, since it is larger than the sum of its proper divisors (91261).

6109931 is an equidigital number, since it uses as much as digits as its factorization.

6109931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91260.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 6109931 is about 2471.8274616162. The cubic root of 6109931 is about 182.8151158123.

Subtracting from 6109931 its reverse (1399016), we obtain a triangular number (4710915 = T₃₀₆₉).

The spelling of 6109931 in words is "six million, one hundred nine thousand, nine hundred thirty-one".