2431132220444 has 12 divisors (see below), whose sum is σ = 4296604964568. Its totient is φ = 1203530802000.

The previous prime is 2431132220437. The next prime is 2431132220453. The reversal of 2431132220444 is 4440222311342.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2431132220444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3008826602 + ... + 3008827409.

It is an arithmetic number, because the mean of its divisors is an integer number (358050413714).

Almost surely, 2^{2431132220444} is an apocalyptic number.

It is an amenable number.

2431132220444 is a deficient number, since it is larger than the sum of its proper divisors (1865472744124).

2431132220444 is a wasteful number, since it uses less digits than its factorization.

2431132220444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6017654116 (or 6017654114 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 2431132220444 its reverse (4440222311342), we get a palindrome (6871354531786).

The spelling of 2431132220444 in words is "two trillion, four hundred thirty-one billion, one hundred thirty-two million, two hundred twenty thousand, four hundred forty-four".