31444431214 has 48 divisors (see below), whose sum is σ = 55438604928. Its totient is φ = 13336602048.

The previous prime is 31444431181. The next prime is 31444431229. The reversal of 31444431214 is 41213444413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3776584 + ... + 3784900.

It is an arithmetic number, because the mean of its divisors is an integer number (1154970936).

Almost surely, 2^31444431214 is an apocalyptic number.

31444431214 is a deficient number, since it is larger than the sum of its proper divisors (23994173714).

31444431214 is a wasteful number, since it uses less digits than its factorization.

31444431214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8729 (or 8722 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

Adding to 31444431214 its reverse (41213444413), we get a palindrome (72657875627).

The spelling of 31444431214 in words is "thirty-one billion, four hundred forty-four million, four hundred thirty-one thousand, two hundred fourteen".