328310618431031 has 2 divisors, whose sum is σ = 328310618431032. Its totient is φ = 328310618431030.

The previous prime is 328310618430989. The next prime is 328310618431079. The reversal of 328310618431031 is 130134816013823.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 328310618431031 - 2³⁰ = 328309544689207 is a prime.

It is a super-2 number, since 2×328310618431031² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328310618431331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164155309215515 + 164155309215516.

It is an arithmetic number, because the mean of its divisors is an integer number (164155309215516).

Almost surely, 2^{328310618431031} is an apocalyptic number.

328310618431031 is a deficient number, since it is larger than the sum of its proper divisors (1).

328310618431031 is an equidigital number, since it uses as much as digits as its factorization.

328310618431031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 328310618431031 in words is "three hundred twenty-eight trillion, three hundred ten billion, six hundred eighteen million, four hundred thirty-one thousand, thirty-one".