31102123312012 has 24 divisors (see below), whose sum is σ = 54953361182720. Its totient is φ = 15401591871120.

The previous prime is 31102123311989. The next prime is 31102123312177. The reversal of 31102123312012 is 21021332120113.

31102123312012 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 53321712 + ... + 53901847.

Almost surely, 2^{31102123312012} is an apocalyptic number.

It is an amenable number.

31102123312012 is a deficient number, since it is larger than the sum of its proper divisors (23851237870708).

31102123312012 is a wasteful number, since it uses less digits than its factorization.

31102123312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107224261 (or 107224259 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 31102123312012 its reverse (21021332120113), we get a palindrome (52123455432125).

The spelling of 31102123312012 in words is "thirty-one trillion, one hundred two billion, one hundred twenty-three million, three hundred twelve thousand, twelve".