31243244444444 has 12 divisors (see below), whose sum is σ = 56153398799064. Its totient is φ = 15199416216144.

The previous prime is 31243244444437. The next prime is 31243244444501. The reversal of 31243244444444 is 44444444234213.

It is a super-2 number, since 2×31243244444444² (a number of 28 digits) contains 22 as substring.

31243244444444 is a modest number, since divided by 4444444 gives 3124324 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105551501354 + ... + 105551501649.

It is an arithmetic number, because the mean of its divisors is an integer number (4679449899922).

Almost surely, 2^{31243244444444} is an apocalyptic number.

It is an amenable number.

31243244444444 is a deficient number, since it is larger than the sum of its proper divisors (24910154354620).

31243244444444 is a wasteful number, since it uses less digits than its factorization.

31243244444444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211103003044 (or 211103003042 counting only the distinct ones).

The product of its digits is 9437184, while the sum is 47.

Adding to 31243244444444 its reverse (44444444234213), we get a palindrome (75687688678657).

The spelling of 31243244444444 in words is "thirty-one trillion, two hundred forty-three billion, two hundred forty-four million, four hundred forty-four thousand, four hundred forty-four".