31345496944 has 20 divisors (see below), whose sum is σ = 60735246624. Its totient is φ = 15671884928.

The previous prime is 31345496933. The next prime is 31345496947. The reversal of 31345496944 is 44969454313.

It is a junction number, because it is equal to n+sod(n) for n = 31345496891 and 31345496900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31345496947) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 326964 + ... + 411820.

Almost surely, 2^31345496944 is an apocalyptic number.

It is an amenable number.

31345496944 is a deficient number, since it is larger than the sum of its proper divisors (29389749680).

31345496944 is a wasteful number, since it uses less digits than its factorization.

31345496944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107952 (or 107946 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 52.

The spelling of 31345496944 in words is "thirty-one billion, three hundred forty-five million, four hundred ninety-six thousand, nine hundred forty-four".