3111311012 has 12 divisors (see below), whose sum is σ = 5446119756. Its totient is φ = 1555276800.

The previous prime is 3111311003. The next prime is 3111311033. The reversal of 3111311012 is 2101131113.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 387932416 + 2723378596 = 19696^2 + 52186^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75773 + ... + 109380.

It is an arithmetic number, because the mean of its divisors is an integer number (453843313).

Almost surely, 2^3111311012 is an apocalyptic number.

It is an amenable number.

3111311012 is a deficient number, since it is larger than the sum of its proper divisors (2334808744).

3111311012 is a wasteful number, since it uses less digits than its factorization.

3111311012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189358 (or 189356 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 3111311012 is about 55779.1270279484. The cubic root of 3111311012 is about 1459.8709794038.

Adding to 3111311012 its reverse (2101131113), we get a palindrome (5212442125).

The spelling of 3111311012 in words is "three billion, one hundred eleven million, three hundred eleven thousand, twelve".