328169313 has 48 divisors (see below), whose sum is σ = 520805376. Its totient is φ = 206070480.

The previous prime is 328169297. The next prime is 328169323. The reversal of 328169313 is 313961823.

328169313 is a `hidden beast` number, since 3 + 281 + 69 + 313 = 666.

It is not a de Polignac number, because 328169313 - 2⁴ = 328169297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328169323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 396406 + ... + 397232.

It is an arithmetic number, because the mean of its divisors is an integer number (10850112).

Almost surely, 2^328169313 is an apocalyptic number.

It is an amenable number.

328169313 is a deficient number, since it is larger than the sum of its proper divisors (192636063).

328169313 is an equidigital number, since it uses as much as digits as its factorization.

328169313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 924 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 328169313 is about 18115.4440464483. Note that the first 3 decimals coincide. The cubic root of 328169313 is about 689.7620918931.

The spelling of 328169313 in words is "three hundred twenty-eight million, one hundred sixty-nine thousand, three hundred thirteen".