31224422344 has 8 divisors (see below), whose sum is σ = 58545791910. Its totient is φ = 15612211168.

The previous prime is 31224422329. The next prime is 31224422353. The reversal of 31224422344 is 44322442213.

It can be written as a sum of positive squares in only one way, i.e., 18235261444 + 12989160900 = 135038^2 + 113970^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1951526389 + ... + 1951526404.

Almost surely, 2^31224422344 is an apocalyptic number.

It is an amenable number.

31224422344 is a deficient number, since it is larger than the sum of its proper divisors (27321369566).

31224422344 is a wasteful number, since it uses less digits than its factorization.

31224422344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903052799 (or 3903052795 counting only the distinct ones).

The product of its digits is 36864, while the sum is 31.

Adding to 31224422344 its reverse (44322442213), we get a palindrome (75546864557).

The spelling of 31224422344 in words is "thirty-one billion, two hundred twenty-four million, four hundred twenty-two thousand, three hundred forty-four".