31150120011112 has 16 divisors (see below), whose sum is σ = 58594277196000. Its totient is φ = 15524979425520.

The previous prime is 31150120011091. The next prime is 31150120011137. The reversal of 31150120011112 is 21111002105113.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31150120011112.

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, 6260069862 + ... + 6260074837.

It is an arithmetic number, because the mean of its divisors is an integer number (3662142324750).

Almost surely, 2^{31150120011112} is an apocalyptic number.

It is an amenable number.

31150120011112 is a deficient number, since it is larger than the sum of its proper divisors (27444157184888).

31150120011112 is a wasteful number, since it uses less digits than its factorization.

31150120011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12520145016 (or 12520145012 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 19.

Adding to 31150120011112 its reverse (21111002105113), we get a palindrome (52261122116225).

The spelling of 31150120011112 in words is "thirty-one trillion, one hundred fifty billion, one hundred twenty million, eleven thousand, one hundred twelve".