3201323145503 has 8 divisors (see below), whose sum is σ = 3666803479200. Its totient is φ = 2737879925760.

The previous prime is 3201323145469. The next prime is 3201323145521. The reversal of 3201323145503 is 3055413231023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3201323145503 - 2¹⁸ = 3201322883359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3201323145503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201323145533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509275118 + ... + 509281403.

It is an arithmetic number, because the mean of its divisors is an integer number (458350434900).

Almost surely, 2^{3201323145503} is an apocalyptic number.

3201323145503 is a deficient number, since it is larger than the sum of its proper divisors (465480333697).

3201323145503 is a wasteful number, since it uses less digits than its factorization.

3201323145503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018556977.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 3201323145503 its reverse (3055413231023), we get a palindrome (6256736376526).

The spelling of 3201323145503 in words is "three trillion, two hundred one billion, three hundred twenty-three million, one hundred forty-five thousand, five hundred three".