3113812644 has 48 divisors (see below), whose sum is σ = 7688110080. Its totient is φ = 978147360.

The previous prime is 3113812643. The next prime is 3113812661. The reversal of 3113812644 is 4462183113.

It is not an unprimeable number, because it can be changed into a prime (3113812643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7797 + ... + 79299.

It is an arithmetic number, because the mean of its divisors is an integer number (160168960).

Almost surely, 2^3113812644 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 3113812644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3844055040).

3113812644 is an abundant number, since it is smaller than the sum of its proper divisors (4574297436).

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

3113812644 is a wasteful number, since it uses less digits than its factorization.

3113812644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71720 (or 71718 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 3113812644 is about 55801.5469678037. The cubic root of 3113812644 is about 1460.2621415832.

Adding to 3113812644 its reverse (4462183113), we get a palindrome (7575995757).

The spelling of 3113812644 in words is "three billion, one hundred thirteen million, eight hundred twelve thousand, six hundred forty-four".