3201323445215 has 80 divisors (see below), whose sum is σ = 4624016284800. Its totient is φ = 2126478122496.

The previous prime is 3201323445209. The next prime is 3201323445233. The reversal of 3201323445215 is 5125443231023.

It is not a de Polignac number, because 3201323445215 - 2²² = 3201319250911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 50233091 + ... + 50296779.

It is an arithmetic number, because the mean of its divisors is an integer number (57800203560).

Almost surely, 2^{3201323445215} is an apocalyptic number.

3201323445215 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3201323445215 is a deficient number, since it is larger than the sum of its proper divisors (1422692839585).

3201323445215 is an frugal number, since it uses more digits than its factorization.

3201323445215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63854 (or 63833 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 3201323445215 its reverse (5125443231023), we get a palindrome (8326766676238).

The spelling of 3201323445215 in words is "three trillion, two hundred one billion, three hundred twenty-three million, four hundred forty-five thousand, two hundred fifteen".