3112222113 has 144 divisors (see below), whose sum is σ = 6507236736.
Its totient is φ = 1404103680.
The previous prime is 3112222111. The next prime is 3112222117.
3112222113 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 3112222113 - 21 = 3112222111 is a prime.
It is not an unprimeable number, because it can be changed into a prime (3112222111) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1070620 + ... + 1073522.
It is an arithmetic number, because the mean of its divisors is an integer number (45189144).
Almost surely, 23112222113 is an apocalyptic number.
3112222113 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
It is an amenable number.
3112222113 is an abundant number, since it is smaller than the sum of its proper divisors (3395014623).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3112222113 is a wasteful number, since it uses less digits than its factorization.
3112222113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2964 (or 2954 counting only the distinct ones).
The product of its digits is 144, while the sum is 18.
The square root of 3112222113 is about 55787.2934726179.
The cubic root of 3112222113 is about 1460.0134659733.
It can be divided in two parts, 31122 and 22113, that added together give a palindrome (53235).
The spelling of 3112222113 in words is "three billion, one hundred twelve million, two hundred twenty-two thousand, one hundred thirteen".