3111011331112 has 32 divisors (see below), whose sum is σ = 6178990343400. Its totient is φ = 1463361101824.

The previous prime is 3111011331079. The next prime is 3111011331143. The reversal of 3111011331112 is 2111331101113.

It can be written as a sum of positive squares in 4 ways, for example, as 3067240833316 + 43770497796 = 1751354^2 + 209214^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3111011331112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4722787 + ... + 5341042.

Almost surely, 2^{3111011331112} is an apocalyptic number.

It is an amenable number.

3111011331112 is a deficient number, since it is larger than the sum of its proper divisors (3067979012288).

3111011331112 is a wasteful number, since it uses less digits than its factorization.

3111011331112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10066125 (or 10066121 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 3111011331112 its reverse (2111331101113), we get a palindrome (5222342432225).

The spelling of 3111011331112 in words is "three trillion, one hundred eleven billion, eleven million, three hundred thirty-one thousand, one hundred twelve".