3111223434165 has 96 divisors (see below), whose sum is σ = 6779041880832. Its totient is φ = 1292975798400.

The previous prime is 3111223434133. The next prime is 3111223434167. The reversal of 3111223434165 is 5614343221113.

3111223434165 is a `hidden beast` number, since 3 + 1 + 1 + 1 + 2 + 234 + 3 + 416 + 5 = 666.

It is not a de Polignac number, because 3111223434165 - 2⁵ = 3111223434133 is a prime.

It is a super-2 number, since 2×3111223434165² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111223434167) 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 95 ways as a sum of consecutive naturals, for example, 3291066 + ... + 4129595.

It is an arithmetic number, because the mean of its divisors is an integer number (70615019592).

Almost surely, 2^{3111223434165} is an apocalyptic number.

3111223434165 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3111223434165 is an abundant number, since it is smaller than the sum of its proper divisors (3667818446667).

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

3111223434165 is a wasteful number, since it uses less digits than its factorization.

3111223434165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7420712 (or 7420687 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

Adding to 3111223434165 its reverse (5614343221113), we get a palindrome (8725566655278).

The spelling of 3111223434165 in words is "three trillion, one hundred eleven billion, two hundred twenty-three million, four hundred thirty-four thousand, one hundred sixty-five".