31229919872048 has 20 divisors (see below), whose sum is σ = 60949633769160. Its totient is φ = 15500982125184.

The previous prime is 31229919872009. The next prime is 31229919872051. The reversal of 31229919872048 is 84027891992213.

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, 7123610918 + ... + 7123615301.

It is an arithmetic number, because the mean of its divisors is an integer number (3047481688458).

Almost surely, 2^{31229919872048} is an apocalyptic number.

It is an amenable number.

31229919872048 is a deficient number, since it is larger than the sum of its proper divisors (29719713897112).

31229919872048 is a wasteful number, since it uses less digits than its factorization.

31229919872048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14247226364 (or 14247226358 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 65.

The spelling of 31229919872048 in words is "thirty-one trillion, two hundred twenty-nine billion, nine hundred nineteen million, eight hundred seventy-two thousand, forty-eight".