3231128 has 16 divisors (see below), whose sum is σ = 6206760. Its totient is φ = 1576000.

The previous prime is 3231127. The next prime is 3231131. The reversal of 3231128 is 8211323.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4598 + ... + 5253.

Almost surely, 2^3231128 is an apocalyptic number.

It is an amenable number.

3231128 is a deficient number, since it is larger than the sum of its proper divisors (2975632).

3231128 is a wasteful number, since it uses less digits than its factorization.

3231128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9898 (or 9894 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 3231128 is about 1797.5338661622. The cubic root of 3231128 is about 147.8375378222.

The spelling of 3231128 in words is "three million, two hundred thirty-one thousand, one hundred twenty-eight".