3201530231 has 2 divisors, whose sum is σ = 3201530232. Its totient is φ = 3201530230.

The previous prime is 3201530183. The next prime is 3201530249. The reversal of 3201530231 is 1320351023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3201530231 - 2¹⁰ = 3201529207 is a prime.

It is a super-2 number, since 2×3201530231² = 20499591640013826722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3201530251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600765115 + 1600765116.

It is an arithmetic number, because the mean of its divisors is an integer number (1600765116).

Almost surely, 2^3201530231 is an apocalyptic number.

3201530231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201530231 is an equidigital number, since it uses as much as digits as its factorization.

3201530231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 3201530231 is about 56582.0663373122. The cubic root of 3201530231 is about 1473.8474544913.

Adding to 3201530231 its reverse (1320351023), we get a palindrome (4521881254).

The spelling of 3201530231 in words is "three billion, two hundred one million, five hundred thirty thousand, two hundred thirty-one".