31110110122212 has 72 divisors (see below), whose sum is σ = 85789317405792. Its totient is φ = 9427214678400.

The previous prime is 31110110122097. The next prime is 31110110122229. The reversal of 31110110122212 is 21222101101113.

It is a happy number.

31110110122212 is a `hidden beast` number, since 311 + 10 + 1 + 10 + 122 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 48377088 + ... + 49015944.

Almost surely, 2^{31110110122212} is an apocalyptic number.

It is an amenable number.

31110110122212 is an abundant number, since it is smaller than the sum of its proper divisors (54679207283580).

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

31110110122212 is a wasteful number, since it uses less digits than its factorization.

31110110122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761849 (or 761844 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 31110110122212 its reverse (21222101101113), we get a palindrome (52332211223325).

The spelling of 31110110122212 in words is "thirty-one trillion, one hundred ten billion, one hundred ten million, one hundred twenty-two thousand, two hundred twelve".