3112436872 has 16 divisors (see below), whose sum is σ = 5945929740. Its totient is φ = 1526855616.

The previous prime is 3112436863. The next prime is 3112436909. The reversal of 3112436872 is 2786342113.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2882186596 + 230250276 = 53686^2 + 15174^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3669903 + ... + 3670750.

Almost surely, 2^3112436872 is an apocalyptic number.

It is an amenable number.

3112436872 is a deficient number, since it is larger than the sum of its proper divisors (2833492868).

3112436872 is a wasteful number, since it uses less digits than its factorization.

3112436872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7340712 (or 7340708 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 3112436872 is about 55789.2182415205. The cubic root of 3112436872 is about 1460.0470479616.

Adding to 3112436872 its reverse (2786342113), we get a palindrome (5898778985).

The spelling of 3112436872 in words is "three billion, one hundred twelve million, four hundred thirty-six thousand, eight hundred seventy-two".