3281112872 has 8 divisors (see below), whose sum is σ = 6152086650. Its totient is φ = 1640556432.

The previous prime is 3281112839. The next prime is 3281112941. The reversal of 3281112872 is 2782111823.

It can be written as a sum of positive squares in only one way, i.e., 1975446916 + 1305665956 = 44446^2 + 36134^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205069547 + ... + 205069562.

Almost surely, 2^3281112872 is an apocalyptic number.

It is an amenable number.

3281112872 is a deficient number, since it is larger than the sum of its proper divisors (2870973778).

3281112872 is a wasteful number, since it uses less digits than its factorization.

3281112872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410139115 (or 410139111 counting only the distinct ones).

The product of its digits is 10752, while the sum is 35.

The square root of 3281112872 is about 57280.9992231281. Note that the first 3 decimals coincide. The cubic root of 3281112872 is about 1485.9597875055.

The spelling of 3281112872 in words is "three billion, two hundred eighty-one million, one hundred twelve thousand, eight hundred seventy-two".