31110220302112 has 48 divisors (see below), whose sum is σ = 71487314760960. Its totient is φ = 13049271733248.

The previous prime is 31110220302079. The next prime is 31110220302143. The reversal of 31110220302112 is 21120302201113.

It is a self number, because there is not a number n which added to its sum of digits gives 31110220302112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1477488537 + ... + 1477509592.

It is an arithmetic number, because the mean of its divisors is an integer number (1489319057520).

Almost surely, 2^{31110220302112} is an apocalyptic number.

31110220302112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31110220302112 is an abundant number, since it is smaller than the sum of its proper divisors (40377094458848).

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

31110220302112 is a wasteful number, since it uses less digits than its factorization.

31110220302112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954998193 (or 2954998185 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31110220302112 its reverse (21120302201113), we get a palindrome (52230522503225).

The spelling of 31110220302112 in words is "thirty-one trillion, one hundred ten billion, two hundred twenty million, three hundred two thousand, one hundred twelve".