231303210227 has 2 divisors, whose sum is σ = 231303210228. Its totient is φ = 231303210226.

The previous prime is 231303210217. The next prime is 231303210277. The reversal of 231303210227 is 722012303132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231303210227 - 2⁶ = 231303210163 is a prime.

It is a super-2 number, since 2×231303210227² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231303210196 and 231303210205.

It is not a weakly prime, because it can be changed into another prime (231303210217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115651605113 + 115651605114.

It is an arithmetic number, because the mean of its divisors is an integer number (115651605114).

Almost surely, 2^231303210227 is an apocalyptic number.

231303210227 is a deficient number, since it is larger than the sum of its proper divisors (1).

231303210227 is an equidigital number, since it uses as much as digits as its factorization.

231303210227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 231303210227 its reverse (722012303132), we get a palindrome (953315513359).

The spelling of 231303210227 in words is "two hundred thirty-one billion, three hundred three million, two hundred ten thousand, two hundred twenty-seven".