31224130444 has 24 divisors (see below), whose sum is σ = 59452140608. Its totient is φ = 14262566400.

The previous prime is 31224130439. The next prime is 31224130459. The reversal of 31224130444 is 44403142213.

It is an unprimeable number.

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, 3090132 + ... + 3100219.

Almost surely, 2^31224130444 is an apocalyptic number.

It is an amenable number.

31224130444 is a deficient number, since it is larger than the sum of its proper divisors (28228010164).

31224130444 is a wasteful number, since it uses less digits than its factorization.

31224130444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6190465 (or 6190463 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 31224130444 its reverse (44403142213), we get a palindrome (75627272657).

The spelling of 31224130444 in words is "thirty-one billion, two hundred twenty-four million, one hundred thirty thousand, four hundred forty-four".