3205020231 has 40 divisors (see below), whose sum is σ = 5660418720. Its totient is φ = 1768277952.

The previous prime is 3205020229. The next prime is 3205020271. The reversal of 3205020231 is 1320205023.

It is not a de Polignac number, because 3205020231 - 2¹ = 3205020229 is a prime.

It is a super-2 number, since 2×3205020231² = 20544309362238586722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205020271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 81016 + ... + 113901.

It is an arithmetic number, because the mean of its divisors is an integer number (141510468).

Almost surely, 2^3205020231 is an apocalyptic number.

3205020231 is a deficient number, since it is larger than the sum of its proper divisors (2455398489).

3205020231 is a wasteful number, since it uses less digits than its factorization.

3205020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194965 (or 194956 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3205020231 is about 56612.8980975184. The cubic root of 3205020231 is about 1474.3828088699.

Adding to 3205020231 its reverse (1320205023), we get a palindrome (4525225254).

The spelling of 3205020231 in words is "three billion, two hundred five million, twenty thousand, two hundred thirty-one".