31368188643244 has 24 divisors (see below), whose sum is σ = 54943298756528. Its totient is φ = 15670103961600.

The previous prime is 31368188643203. The next prime is 31368188643257. The reversal of 31368188643244 is 44234688186313.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311956144 + ... + 312056680.

Almost surely, 2^{31368188643244} is an apocalyptic number.

It is an amenable number.

31368188643244 is a deficient number, since it is larger than the sum of its proper divisors (23575110113284).

31368188643244 is a wasteful number, since it uses less digits than its factorization.

31368188643244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169345 (or 169343 counting only the distinct ones).

The product of its digits is 63700992, while the sum is 61.

The spelling of 31368188643244 in words is "thirty-one trillion, three hundred sixty-eight billion, one hundred eighty-eight million, six hundred forty-three thousand, two hundred forty-four".