31144340441244 has 96 divisors (see below), whose sum is σ = 75960774731520. Its totient is φ = 9918855088128.

The previous prime is 31144340441231. The next prime is 31144340441251. The reversal of 31144340441244 is 44214404344113.

31144340441244 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282246267 + ... + 282356589.

It is an arithmetic number, because the mean of its divisors is an integer number (791258070120).

Almost surely, 2^{31144340441244} 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 31144340441244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37980387365760).

31144340441244 is an abundant number, since it is smaller than the sum of its proper divisors (44816434290276).

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

31144340441244 is a wasteful number, since it uses less digits than its factorization.

31144340441244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118819 (or 118817 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 39.

Adding to 31144340441244 its reverse (44214404344113), we get a palindrome (75358744785357).

The spelling of 31144340441244 in words is "thirty-one trillion, one hundred forty-four billion, three hundred forty million, four hundred forty-one thousand, two hundred forty-four".