31055055112 has 32 divisors (see below), whose sum is σ = 59915354400. Its totient is φ = 15081663744.

The previous prime is 31055055107. The next prime is 31055055113. The reversal of 31055055112 is 21155055013.

It is not an unprimeable number, because it can be changed into a prime (31055055113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190593 + ... + 313744.

It is an arithmetic number, because the mean of its divisors is an integer number (1872354825).

Almost surely, 2^31055055112 is an apocalyptic number.

It is an amenable number.

31055055112 is a deficient number, since it is larger than the sum of its proper divisors (28860299288).

31055055112 is a wasteful number, since it uses less digits than its factorization.

31055055112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504565 (or 504561 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

Subtracting from 31055055112 its reverse (21155055013), we obtain a palindrome (9900000099).

The spelling of 31055055112 in words is "thirty-one billion, fifty-five million, fifty-five thousand, one hundred twelve".