31968208446 has 8 divisors (see below), whose sum is σ = 63936416904. Its totient is φ = 10656069480.

The previous prime is 31968208373. The next prime is 31968208477. The reversal of 31968208446 is 64480286913.

It is a sphenic number, since it is the product of 3 distinct primes.

31968208446 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2664017365 + ... + 2664017376.

It is an arithmetic number, because the mean of its divisors is an integer number (7992052113).

Almost surely, 2^31968208446 is an apocalyptic number.

31968208446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31968208446 is a wasteful number, since it uses less digits than its factorization.

31968208446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5328034746.

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 31968208446 in words is "thirty-one billion, nine hundred sixty-eight million, two hundred eight thousand, four hundred forty-six".