3111344309 has 4 divisors (see below), whose sum is σ = 3111539904. Its totient is φ = 3111148716.

The previous prime is 3111344293. The next prime is 3111344333. The reversal of 3111344309 is 9034431113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3111344309 - 2⁴ = 3111344293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111344339) 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, 71597 + ... + 106530.

It is an arithmetic number, because the mean of its divisors is an integer number (777884976).

Almost surely, 2^3111344309 is an apocalyptic number.

It is an amenable number.

3111344309 is a deficient number, since it is larger than the sum of its proper divisors (195595).

3111344309 is a wasteful number, since it uses less digits than its factorization.

3111344309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195594.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 3111344309 is about 55779.4254990135. The cubic root of 3111344309 is about 1459.8761871924.

The spelling of 3111344309 in words is "three billion, one hundred eleven million, three hundred forty-four thousand, three hundred nine".