3109840936 has 16 divisors (see below), whose sum is σ = 5831559540. Its totient is φ = 1554758400.

The previous prime is 3109840933. The next prime is 3109840949. The reversal of 3109840936 is 6390489013.

It can be written as a sum of positive squares in 2 ways, for example, as 2704624036 + 405216900 = 52006^2 + 20130^2 .

It is a super-2 number, since 2×3109840936² = 19342221294442712192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3109840892 and 3109840901.

It is not an unprimeable number, because it can be changed into a prime (3109840933) 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, 112350 + ... + 137266.

Almost surely, 2^3109840936 is an apocalyptic number.

It is an amenable number.

3109840936 is a deficient number, since it is larger than the sum of its proper divisors (2721718604).

3109840936 is a wasteful number, since it uses less digits than its factorization.

3109840936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40524 (or 40520 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 3109840936 is about 55765.9478176423. The cubic root of 3109840936 is about 1459.6410163882.

The spelling of 3109840936 in words is "three billion, one hundred nine million, eight hundred forty thousand, nine hundred thirty-six".