31110113012120 has 16 divisors (see below), whose sum is σ = 69997754277360. Its totient is φ = 12444045204832.

The previous prime is 31110113012089. The next prime is 31110113012131. The reversal of 31110113012120 is 2121031101113.

It is a congruent 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, 388876412612 + ... + 388876412691.

It is an arithmetic number, because the mean of its divisors is an integer number (4374859642335).

Almost surely, 2^{31110113012120} is an apocalyptic number.

It is an amenable number.

31110113012120 is an abundant number, since it is smaller than the sum of its proper divisors (38887641265240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31110113012120 is a wasteful number, since it uses less digits than its factorization.

31110113012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777752825314 (or 777752825310 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 31110113012120 its reverse (2121031101113), we get a palindrome (33231144113233).

The spelling of 31110113012120 in words is "thirty-one trillion, one hundred ten billion, one hundred thirteen million, twelve thousand, one hundred twenty".