3111211412 has 24 divisors (see below), whose sum is σ = 5766866280. Its totient is φ = 1463598080.

The previous prime is 3111211387. The next prime is 3111211447. The reversal of 3111211412 is 2141121113.

It can be written as a sum of positive squares in 4 ways, for example, as 268828816 + 2842382596 = 16396^2 + 53314^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

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, 258014 + ... + 269802.

It is an arithmetic number, because the mean of its divisors is an integer number (240286095).

Almost surely, 2^3111211412 is an apocalyptic number.

It is an amenable number.

3111211412 is a deficient number, since it is larger than the sum of its proper divisors (2655654868).

3111211412 is a wasteful number, since it uses less digits than its factorization.

3111211412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15691 (or 15689 counting only the distinct ones).

The product of its digits is 48, while the sum is 17.

The square root of 3111211412 is about 55778.2342137146. The cubic root of 3111211412 is about 1459.8554013296.

Adding to 3111211412 its reverse (2141121113), we get a palindrome (5252332525).

It can be divided in two parts, 31112 and 11412, that added together give a palindrome (42524).

The spelling of 3111211412 in words is "three billion, one hundred eleven million, two hundred eleven thousand, four hundred twelve".