3228187231 has 2 divisors, whose sum is σ = 3228187232. Its totient is φ = 3228187230.

The previous prime is 3228187213. The next prime is 3228187243. The reversal of 3228187231 is 1327818223.

3228187231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (3228187213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3228187231 - 2⁹ = 3228186719 is a prime.

It is a super-2 number, since 2×3228187231² = 20842385596782894722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3228187271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1614093615 + 1614093616.

It is an arithmetic number, because the mean of its divisors is an integer number (1614093616).

Almost surely, 2^3228187231 is an apocalyptic number.

3228187231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3228187231 is an equidigital number, since it uses as much as digits as its factorization.

3228187231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 37.

The square root of 3228187231 is about 56817.1385323126. The cubic root of 3228187231 is about 1477.9267340631.

The spelling of 3228187231 in words is "three billion, two hundred twenty-eight million, one hundred eighty-seven thousand, two hundred thirty-one".