3111669144 has 96 divisors (see below), whose sum is σ = 8999452800. Its totient is φ = 969131520.

The previous prime is 3111669139. The next prime is 3111669161. The reversal of 3111669144 is 4419661113.

3111669144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 3111669099 and 3111669108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40692 + ... + 88764.

It is an arithmetic number, because the mean of its divisors is an integer number (93744300).

Almost surely, 2^3111669144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3111669144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4499726400).

3111669144 is an abundant number, since it is smaller than the sum of its proper divisors (5887783656).

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

3111669144 is a wasteful number, since it uses less digits than its factorization.

3111669144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48145 (or 48138 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 3111669144 is about 55782.3372045310. The cubic root of 3111669144 is about 1459.9269907821.

The spelling of 3111669144 in words is "three billion, one hundred eleven million, six hundred sixty-nine thousand, one hundred forty-four".