328254348931 has 2 divisors, whose sum is σ = 328254348932. Its totient is φ = 328254348930.

The previous prime is 328254348889. The next prime is 328254349019. The reversal of 328254348931 is 139843452823.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 328254348931 - 2¹⁷ = 328254217859 is a prime.

It is a super-2 number, since 2×328254348931² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (328254348131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164127174465 + 164127174466.

It is an arithmetic number, because the mean of its divisors is an integer number (164127174466).

Almost surely, 2^328254348931 is an apocalyptic number.

328254348931 is a deficient number, since it is larger than the sum of its proper divisors (1).

328254348931 is an equidigital number, since it uses as much as digits as its factorization.

328254348931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 52.

The spelling of 328254348931 in words is "three hundred twenty-eight billion, two hundred fifty-four million, three hundred forty-eight thousand, nine hundred thirty-one".