31110310111112 has 16 divisors (see below), whose sum is σ = 60867998043840. Its totient is φ = 14878843966096.

The previous prime is 31110310111109. The next prime is 31110310111123. The reversal of 31110310111112 is 21111101301113.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84538885988 + ... + 84538886355.

It is an arithmetic number, because the mean of its divisors is an integer number (3804249877740).

Almost surely, 2^{31110310111112} is an apocalyptic number.

It is an amenable number.

31110310111112 is a deficient number, since it is larger than the sum of its proper divisors (29757687932728).

31110310111112 is a wasteful number, since it uses less digits than its factorization.

31110310111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169077772372 (or 169077772368 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 31110310111112 its reverse (21111101301113), we get a palindrome (52221411412225).

The spelling of 31110310111112 in words is "thirty-one trillion, one hundred ten billion, three hundred ten million, one hundred eleven thousand, one hundred twelve".