328332331 has 6 divisors (see below), whose sum is σ = 345696140. Its totient is φ = 310976856.

The previous prime is 328332311. The next prime is 328332349. The reversal of 328332331 is 133233823.

It is not a de Polignac number, because 328332331 - 2⁵ = 328332299 is a prime.

It is a super-2 number, since 2×328332331² = 215604239159787122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 328332331.

It is not an unprimeable number, because it can be changed into a prime (328332311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76905 + ... + 81061.

Almost surely, 2^328332331 is an apocalyptic number.

328332331 is a deficient number, since it is larger than the sum of its proper divisors (17363809).

328332331 is an frugal number, since it uses more digits than its factorization.

328332331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8333 (or 4176 counting only the distinct ones).

The product of its digits is 7776, while the sum is 28.

The square root of 328332331 is about 18119.9429082986. The cubic root of 328332331 is about 689.8762860185.

The spelling of 328332331 in words is "three hundred twenty-eight million, three hundred thirty-two thousand, three hundred thirty-one".