31344444012 has 96 divisors (see below), whose sum is σ = 85235576832. Its totient is φ = 8779021056.

The previous prime is 31344443989. The next prime is 31344444023. The reversal of 31344444012 is 21044444313.

It is a super-2 number, since 2×31344444012² (a number of 22 digits) contains 22 as substring.

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, 6974038 + ... + 6978530.

It is an arithmetic number, because the mean of its divisors is an integer number (887870592).

Almost surely, 2^31344444012 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 31344444012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42617788416).

31344444012 is an abundant number, since it is smaller than the sum of its proper divisors (53891132820).

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

31344444012 is a wasteful number, since it uses less digits than its factorization.

31344444012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6127 (or 6125 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 31344444012 its reverse (21044444313), we get a palindrome (52388888325).

The spelling of 31344444012 in words is "thirty-one billion, three hundred forty-four million, four hundred forty-four thousand, twelve".