328200031 has 2 divisors, whose sum is σ = 328200032. Its totient is φ = 328200030.

The previous prime is 328199999. The next prime is 328200073. The reversal of 328200031 is 130002823.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (130002823) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 328200031 - 2⁵ = 328199999 is a prime.

It is a super-2 number, since 2×328200031² = 215430520696801922, which contains 22 as substring.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 328199981 and 328200008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328200331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164100015 + 164100016.

It is an arithmetic number, because the mean of its divisors is an integer number (164100016).

Almost surely, 2^328200031 is an apocalyptic number.

328200031 is a deficient number, since it is larger than the sum of its proper divisors (1).

328200031 is an equidigital number, since it uses as much as digits as its factorization.

328200031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 328200031 is about 18116.2918667149. The cubic root of 328200031 is about 689.7836127463.

Adding to 328200031 its reverse (130002823), we get a palindrome (458202854).

The spelling of 328200031 in words is "three hundred twenty-eight million, two hundred thousand, thirty-one".