231301230289 has 2 divisors, whose sum is σ = 231301230290. Its totient is φ = 231301230288.

The previous prime is 231301230283. The next prime is 231301230299. The reversal of 231301230289 is 982032103132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193857045264 + 37444185025 = 440292^2 + 193505^2 .

It is a cyclic number.

It is not a de Polignac number, because 231301230289 - 2⁷ = 231301230161 is a prime.

It is a super-2 number, since 2×231301230289² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231301230283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115650615144 + 115650615145.

It is an arithmetic number, because the mean of its divisors is an integer number (115650615145).

Almost surely, 2^231301230289 is an apocalyptic number.

It is an amenable number.

231301230289 is a deficient number, since it is larger than the sum of its proper divisors (1).

231301230289 is an equidigital number, since it uses as much as digits as its factorization.

231301230289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 231301230289 in words is "two hundred thirty-one billion, three hundred one million, two hundred thirty thousand, two hundred eighty-nine".