328310618431007 has 4 divisors (see below), whose sum is σ = 347623007750496. Its totient is φ = 308998229111520.

The previous prime is 328310618430989. The next prime is 328310618431031. The reversal of 328310618431007 is 700134816013823.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 328310618431007 - 2⁴² = 323912571919903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328310618131007) 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, 9656194659719 + ... + 9656194659752.

It is an arithmetic number, because the mean of its divisors is an integer number (86905751937624).

Almost surely, 2^{328310618431007} is an apocalyptic number.

328310618431007 is a deficient number, since it is larger than the sum of its proper divisors (19312389319489).

328310618431007 is a wasteful number, since it uses less digits than its factorization.

328310618431007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19312389319488.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 328310618431007 in words is "three hundred twenty-eight trillion, three hundred ten billion, six hundred eighteen million, four hundred thirty-one thousand, seven".