3121112424 has 16 divisors (see below), whose sum is σ = 7802781120. Its totient is φ = 1040370800.

The previous prime is 3121112411. The next prime is 3121112441. The reversal of 3121112424 is 4242111213.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3121112424.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 65023152 + ... + 65023199.

It is an arithmetic number, because the mean of its divisors is an integer number (487673820).

Almost surely, 2^3121112424 is an apocalyptic number.

It is an amenable number.

3121112424 is an abundant number, since it is smaller than the sum of its proper divisors (4681668696).

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

3121112424 is a wasteful number, since it uses less digits than its factorization.

3121112424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130046360 (or 130046356 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 3121112424 is about 55866.9170797888. The cubic root of 3121112424 is about 1461.4023593362.

Adding to 3121112424 its reverse (4242111213), we get a palindrome (7363223637).

The spelling of 3121112424 in words is "three billion, one hundred twenty-one million, one hundred twelve thousand, four hundred twenty-four".