3112103219991 has 8 divisors (see below), whose sum is σ = 4156196199024. Its totient is φ = 2071372860480.

The previous prime is 3112103219963. The next prime is 3112103219993. The reversal of 3112103219991 is 1999123012113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3112103219991 - 2⁵ = 3112103219959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112103219993) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 840652720 + ... + 840656421.

It is an arithmetic number, because the mean of its divisors is an integer number (519524524878).

Almost surely, 2^{3112103219991} is an apocalyptic number.

3112103219991 is a deficient number, since it is larger than the sum of its proper divisors (1044092979033).

3112103219991 is a wasteful number, since it uses less digits than its factorization.

3112103219991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681309761.

The product of its (nonzero) digits is 26244, while the sum is 42.

The spelling of 3112103219991 in words is "three trillion, one hundred twelve billion, one hundred three million, two hundred nineteen thousand, nine hundred ninety-one".