3109343485 has 4 divisors (see below), whose sum is σ = 3731212188. Its totient is φ = 2487474784.

The previous prime is 3109343449. The next prime is 3109343509. The reversal of 3109343485 is 5843439013.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5843439013 = 29 ⋅201497897.

It can be written as a sum of positive squares in 2 ways, for example, as 1648116409 + 1461227076 = 40597^2 + 38226^2 .

It is a cyclic number.

It is not a de Polignac number, because 3109343485 - 2¹⁵ = 3109310717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310934344 + ... + 310934353.

It is an arithmetic number, because the mean of its divisors is an integer number (932803047).

Almost surely, 2^3109343485 is an apocalyptic number.

It is an amenable number.

3109343485 is a deficient number, since it is larger than the sum of its proper divisors (621868703).

3109343485 is an equidigital number, since it uses as much as digits as its factorization.

3109343485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621868702.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 3109343485 is about 55761.4874711929. The cubic root of 3109343485 is about 1459.5631840470.

The spelling of 3109343485 in words is "three billion, one hundred nine million, three hundred forty-three thousand, four hundred eighty-five".