3205520103 has 8 divisors (see below), whose sum is σ = 4318089328. Its totient is φ = 2114982144.

The previous prime is 3205520099. The next prime is 3205520113. The reversal of 3205520103 is 3010255023.

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

It is not a de Polignac number, because 3205520103 - 2² = 3205520099 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 3205520103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205520113) 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, 5507476 + ... + 5508057.

It is an arithmetic number, because the mean of its divisors is an integer number (539761166).

Almost surely, 2^3205520103 is an apocalyptic number.

3205520103 is a deficient number, since it is larger than the sum of its proper divisors (1112569225).

3205520103 is a wasteful number, since it uses less digits than its factorization.

3205520103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11015633.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 3205520103 is about 56617.3127497235. The cubic root of 3205520103 is about 1474.4594557465.

Adding to 3205520103 its reverse (3010255023), we get a palindrome (6215775126).

The spelling of 3205520103 in words is "three billion, two hundred five million, five hundred twenty thousand, one hundred three".