3111030012 has 24 divisors (see below), whose sum is σ = 7378072912. Its totient is φ = 1020009600.

The previous prime is 3111030011. The next prime is 3111030019. The reversal of 3111030012 is 2100301113.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 3111030012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111030011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2124289 + ... + 2125752.

Almost surely, 2^3111030012 is an apocalyptic number.

It is an amenable number.

3111030012 is an abundant number, since it is smaller than the sum of its proper divisors (4267042900).

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

3111030012 is a wasteful number, since it uses less digits than its factorization.

3111030012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250109 (or 4250107 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 3111030012 is about 55776.6081077005. The cubic root of 3111030012 is about 1459.8270283604.

Adding to 3111030012 its reverse (2100301113), we get a palindrome (5211331125).

The spelling of 3111030012 in words is "three billion, one hundred eleven million, thirty thousand, twelve".