3200020231 has 2 divisors, whose sum is σ = 3200020232. Its totient is φ = 3200020230.

The previous prime is 3200020163. The next prime is 3200020247. The reversal of 3200020231 is 1320200023.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3200020231 - 2¹⁵ = 3199987463 is a prime.

It is a super-2 number, since 2×3200020231² = 20480258957618586722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3200030231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600010115 + 1600010116.

It is an arithmetic number, because the mean of its divisors is an integer number (1600010116).

Almost surely, 2^3200020231 is an apocalyptic number.

3200020231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3200020231 is an equidigital number, since it uses as much as digits as its factorization.

3200020231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3200020231 is about 56568.7213131073. The cubic root of 3200020231 is about 1473.6157049347.

Adding to 3200020231 its reverse (1320200023), we get a palindrome (4520220254).

The spelling of 3200020231 in words is "three billion, two hundred million, twenty thousand, two hundred thirty-one".