328233115481 has 4 divisors (see below), whose sum is σ = 335866443792. Its totient is φ = 320599787172.

The previous prime is 328233115387. The next prime is 328233115541. The reversal of 328233115481 is 184511332823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 328233115481 - 2¹⁰ = 328233114457 is a prime.

It is a super-2 number, since 2×328233115481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328233115781) 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 in 3 ways as a sum of consecutive naturals, for example, 3816664091 + ... + 3816664176.

It is an arithmetic number, because the mean of its divisors is an integer number (83966610948).

Almost surely, 2^328233115481 is an apocalyptic number.

It is an amenable number.

328233115481 is a deficient number, since it is larger than the sum of its proper divisors (7633328311).

328233115481 is an equidigital number, since it uses as much as digits as its factorization.

328233115481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7633328310.

The product of its digits is 138240, while the sum is 41.

The spelling of 328233115481 in words is "three hundred twenty-eight billion, two hundred thirty-three million, one hundred fifteen thousand, four hundred eighty-one".