3111145224 has 96 divisors (see below), whose sum is σ = 8566242720. Its totient is φ = 940896000.

The previous prime is 3111145217. The next prime is 3111145229. The reversal of 3111145224 is 4225411113.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 3111145194 and 3111145203.

It is not an unprimeable number, because it can be changed into a prime (3111145229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2354484 + ... + 2355804.

It is an arithmetic number, because the mean of its divisors is an integer number (89231695).

Almost surely, 2^3111145224 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 3111145224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4283121360).

3111145224 is an abundant number, since it is smaller than the sum of its proper divisors (5455097496).

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

3111145224 is a wasteful number, since it uses less digits than its factorization.

3111145224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163 (or 2148 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 3111145224 is about 55777.6408966891. The cubic root of 3111145224 is about 1459.8450489211.

Adding to 3111145224 its reverse (4225411113), we get a palindrome (7336556337).

The spelling of 3111145224 in words is "three billion, one hundred eleven million, one hundred forty-five thousand, two hundred twenty-four".