2431121044 has 24 divisors (see below), whose sum is σ = 4704815808. Its totient is φ = 1089915840.

The previous prime is 2431121009. The next prime is 2431121047. The reversal of 2431121044 is 4401211342.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431121047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375232 + ... + 381655.

It is an arithmetic number, because the mean of its divisors is an integer number (196033992).

Almost surely, 2^2431121044 is an apocalyptic number.

It is an amenable number.

2431121044 is a deficient number, since it is larger than the sum of its proper divisors (2273694764).

2431121044 is a wasteful number, since it uses less digits than its factorization.

2431121044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756975 (or 756973 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2431121044 is about 49306.3996252008. The cubic root of 2431121044 is about 1344.6281350594.

Adding to 2431121044 its reverse (4401211342), we get a palindrome (6832332386).

The spelling of 2431121044 in words is "two billion, four hundred thirty-one million, one hundred twenty-one thousand, forty-four".