31055648912 has 40 divisors (see below), whose sum is σ = 60584402112. Its totient is φ = 15421334400.

The previous prime is 31055648893. The next prime is 31055648947. The reversal of 31055648912 is 21984655013.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1367087 + ... + 1389617.

Almost surely, 2^31055648912 is an apocalyptic number.

It is an amenable number.

31055648912 is a deficient number, since it is larger than the sum of its proper divisors (29528753200).

31055648912 is a wasteful number, since it uses less digits than its factorization.

31055648912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23127 (or 23121 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 31055648912 in words is "thirty-one billion, fifty-five million, six hundred forty-eight thousand, nine hundred twelve".