31441444122 has 64 divisors (see below), whose sum is σ = 69616713600. Its totient is φ = 9386726400.

The previous prime is 31441444091. The next prime is 31441444183. The reversal of 31441444122 is 22144414413.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31441444122.

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 31 ways as a sum of consecutive naturals, for example, 5050972 + ... + 5057192.

It is an arithmetic number, because the mean of its divisors is an integer number (1087761150).

Almost surely, 2^31441444122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31441444122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34808356800).

31441444122 is an abundant number, since it is smaller than the sum of its proper divisors (38175269478).

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

31441444122 is a wasteful number, since it uses less digits than its factorization.

31441444122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7359.

The product of its digits is 12288, while the sum is 30.

Adding to 31441444122 its reverse (22144414413), we get a palindrome (53585858535).

The spelling of 31441444122 in words is "thirty-one billion, four hundred forty-one million, four hundred forty-four thousand, one hundred twenty-two".