31424223020244 has 24 divisors (see below), whose sum is σ = 74008450480608. Its totient is φ = 10376846230560.

The previous prime is 31424223020209. The next prime is 31424223020261. The reversal of 31424223020244 is 44202032242413.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 12236845687 + ... + 12236848254.

It is an arithmetic number, because the mean of its divisors is an integer number (3083685436692).

Almost surely, 2^{31424223020244} is an apocalyptic number.

It is an amenable number.

31424223020244 is an abundant number, since it is smaller than the sum of its proper divisors (42584227460364).

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

31424223020244 is a wasteful number, since it uses less digits than its factorization.

31424223020244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24473694055 (or 24473694053 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 31424223020244 its reverse (44202032242413), we get a palindrome (75626255262657).

The spelling of 31424223020244 in words is "thirty-one trillion, four hundred twenty-four billion, two hundred twenty-three million, twenty thousand, two hundred forty-four".