3309431228 has 12 divisors (see below), whose sum is σ = 5795053992. Its totient is φ = 1653701520.

The previous prime is 3309431227. The next prime is 3309431249. The reversal of 3309431228 is 8221349033.

3309431228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3309431227) 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, 246158 + ... + 259253.

It is an arithmetic number, because the mean of its divisors is an integer number (482921166).

Almost surely, 2^3309431228 is an apocalyptic number.

It is an amenable number.

3309431228 is a deficient number, since it is larger than the sum of its proper divisors (2485622764).

3309431228 is a wasteful number, since it uses less digits than its factorization.

3309431228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507052 (or 507050 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 3309431228 is about 57527.6562011699. The cubic root of 3309431228 is about 1490.2225135008. Note that the first 3 decimals are identical.

The spelling of 3309431228 in words is "three billion, three hundred nine million, four hundred thirty-one thousand, two hundred twenty-eight".