2431344213444 has 48 divisors (see below), whose sum is σ = 5884247073600. Its totient is φ = 780436895616.

The previous prime is 2431344213443. The next prime is 2431344213577. The reversal of 2431344213444 is 4443124431342.

It is a happy number.

2431344213444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2431344213444² (a number of 26 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2431344213443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9085287 + ... + 9349070.

It is an arithmetic number, because the mean of its divisors is an integer number (122588480700).

Almost surely, 2^{2431344213444} is an apocalyptic number.

It is an amenable number.

2431344213444 is an abundant number, since it is smaller than the sum of its proper divisors (3452902860156).

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

2431344213444 is a wasteful number, since it uses less digits than its factorization.

2431344213444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18434772 (or 18434770 counting only the distinct ones).

The product of its digits is 442368, while the sum is 39.

Adding to 2431344213444 its reverse (4443124431342), we get a palindrome (6874468644786).

The spelling of 2431344213444 in words is "two trillion, four hundred thirty-one billion, three hundred forty-four million, two hundred thirteen thousand, four hundred forty-four".