328282831 has 4 divisors (see below), whose sum is σ = 328405000. Its totient is φ = 328160664.

The previous prime is 328282811. The next prime is 328282837. The reversal of 328282831 is 138282823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 138282823 = 7 ⋅19754689.

It is a cyclic number.

It is not a de Polignac number, because 328282831 - 2⁹ = 328282319 is a prime.

It is a super-3 number, since 3×328282831³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328282837) 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, 56961 + ... + 62458.

It is an arithmetic number, because the mean of its divisors is an integer number (82101250).

Almost surely, 2^328282831 is an apocalyptic number.

328282831 is a deficient number, since it is larger than the sum of its proper divisors (122169).

328282831 is a wasteful number, since it uses less digits than its factorization.

328282831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122168.

The product of its digits is 36864, while the sum is 37.

The square root of 328282831 is about 18118.5769584700. The cubic root of 328282831 is about 689.8416152605.

The spelling of 328282831 in words is "three hundred twenty-eight million, two hundred eighty-two thousand, eight hundred thirty-one".