3121124344 has 128 divisors (see below), whose sum is σ = 6746100480. Its totient is φ = 1343692800.

The previous prime is 3121124339. The next prime is 3121124389. The reversal of 3121124344 is 4434211213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11516929 + ... + 11517199.

It is an arithmetic number, because the mean of its divisors is an integer number (52703910).

Almost surely, 2^3121124344 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 3121124344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3373050240).

3121124344 is an abundant number, since it is smaller than the sum of its proper divisors (3624976136).

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

3121124344 is a wasteful number, since it uses less digits than its factorization.

3121124344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 437 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 3121124344 is about 55867.0237617863. The cubic root of 3121124344 is about 1461.4042197726.

Adding to 3121124344 its reverse (4434211213), we get a palindrome (7555335557).

It can be divided in two parts, 31211 and 24344, that added together give a palindrome (55555).

The spelling of 3121124344 in words is "three billion, one hundred twenty-one million, one hundred twenty-four thousand, three hundred forty-four".