31100022112110 has 128 divisors (see below), whose sum is σ = 90121938923520. Its totient is φ = 6717422175744.

The previous prime is 31100022112069. The next prime is 31100022112147. The reversal of 31100022112110 is 1121122000113.

It is a super-2 number, since 2×31100022112110² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 31100022112110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54040749 + ... + 54613208.

It is an arithmetic number, because the mean of its divisors is an integer number (704077647840).

Almost surely, 2^{31100022112110} is an apocalyptic number.

31100022112110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31100022112110 is an abundant number, since it is smaller than the sum of its proper divisors (59021916811410).

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

31100022112110 is a wasteful number, since it uses less digits than its factorization.

31100022112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108654050.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 31100022112110 its reverse (1121122000113), we get a palindrome (32221144112223).

The spelling of 31100022112110 in words is "thirty-one trillion, one hundred billion, twenty-two million, one hundred twelve thousand, one hundred ten".