31322110431344 has 20 divisors (see below), whose sum is σ = 60991546700400. Its totient is φ = 15582356444160.

The previous prime is 31322110431341. The next prime is 31322110431419. The reversal of 31322110431344 is 44313401122313.

It is a self number, because there is not a number n which added to its sum of digits gives 31322110431344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31322110431341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4918669937 + ... + 4918676304.

It is an arithmetic number, because the mean of its divisors is an integer number (3049577335020).

Almost surely, 2^{31322110431344} is an apocalyptic number.

It is an amenable number.

31322110431344 is a deficient number, since it is larger than the sum of its proper divisors (29669436269056).

31322110431344 is a wasteful number, since it uses less digits than its factorization.

31322110431344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9837346448 (or 9837346442 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 31322110431344 its reverse (44313401122313), we get a palindrome (75635511553657).

The spelling of 31322110431344 in words is "thirty-one trillion, three hundred twenty-two billion, one hundred ten million, four hundred thirty-one thousand, three hundred forty-four".