31444441424 has 80 divisors (see below), whose sum is σ = 67084706304. Its totient is φ = 14159433600.

The previous prime is 31444441393. The next prime is 31444441433. The reversal of 31444441424 is 42414444413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24507887 + ... + 24509169.

Almost surely, 2^31444441424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31444441424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33542353152).

31444441424 is an abundant number, since it is smaller than the sum of its proper divisors (35640264880).

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

31444441424 is a wasteful number, since it uses less digits than its factorization.

31444441424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496 (or 2490 counting only the distinct ones).

The product of its digits is 98304, while the sum is 35.

Adding to 31444441424 its reverse (42414444413), we get a palindrome (73858885837).

The spelling of 31444441424 in words is "thirty-one billion, four hundred forty-four million, four hundred forty-one thousand, four hundred twenty-four".