3109817742 has 32 divisors (see below), whose sum is σ = 6607075200. Its totient is φ = 973034208.

The previous prime is 3109817729. The next prime is 3109817819. The reversal of 3109817742 is 2477189013.

3109817742 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3109817694 and 3109817703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112708 + ... + 137559.

It is an arithmetic number, because the mean of its divisors is an integer number (206471100).

Almost surely, 2^3109817742 is an apocalyptic number.

3109817742 is an abundant number, since it is smaller than the sum of its proper divisors (3497257458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3109817742 is a wasteful number, since it uses less digits than its factorization.

3109817742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250400.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 3109817742 is about 55765.7398588058. The cubic root of 3109817742 is about 1459.6373875854.

The spelling of 3109817742 in words is "three billion, one hundred nine million, eight hundred seventeen thousand, seven hundred forty-two".