230660281 has 2 divisors, whose sum is σ = 230660282. Its totient is φ = 230660280.

The previous prime is 230660279. The next prime is 230660317. The reversal of 230660281 is 182066032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151290000 + 79370281 = 12300^2 + 8909^2 .

It is a cyclic number.

It is not a de Polignac number, because 230660281 - 2¹ = 230660279 is a prime.

It is a super-2 number, since 2×230660281² = 106408330461997922, which contains 22 as substring.

Together with 230660279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (230660231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115330140 + 115330141.

It is an arithmetic number, because the mean of its divisors is an integer number (115330141).

Almost surely, 2^230660281 is an apocalyptic number.

It is an amenable number.

230660281 is a deficient number, since it is larger than the sum of its proper divisors (1).

230660281 is an equidigital number, since it uses as much as digits as its factorization.

230660281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 230660281 is about 15187.5041069953. The cubic root of 230660281 is about 613.2783106424.

The spelling of 230660281 in words is "two hundred thirty million, six hundred sixty thousand, two hundred eighty-one".