31100022102212 has 24 divisors (see below), whose sum is σ = 65858870335104. Its totient is φ = 12544546730112.

The previous prime is 31100022102131. The next prime is 31100022102251. The reversal of 31100022102212 is 21220122000113.

It is a super-2 number, since 2×31100022102212² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 7 ways as a sum of consecutive naturals, for example, 32668089968 + ... + 32668090919.

It is an arithmetic number, because the mean of its divisors is an integer number (2744119597296).

Almost surely, 2^{31100022102212} is an apocalyptic number.

It is an amenable number.

31100022102212 is an abundant number, since it is smaller than the sum of its proper divisors (34758848232892).

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

31100022102212 is a wasteful number, since it uses less digits than its factorization.

31100022102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65336180915 (or 65336180913 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 31100022102212 its reverse (21220122000113), we get a palindrome (52320144102325).

The spelling of 31100022102212 in words is "thirty-one trillion, one hundred billion, twenty-two million, one hundred two thousand, two hundred twelve".