231301323289 has 2 divisors, whose sum is σ = 231301323290. Its totient is φ = 231301323288.

The previous prime is 231301323277. The next prime is 231301323311. The reversal of 231301323289 is 982323103132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217584931600 + 13716391689 = 466460^2 + 117117^2 .

It is a cyclic number.

It is not a de Polignac number, because 231301323289 - 2³¹ = 229153839641 is a prime.

It is not a weakly prime, because it can be changed into another prime (231301323269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115650661644 + 115650661645.

It is an arithmetic number, because the mean of its divisors is an integer number (115650661645).

Almost surely, 2^231301323289 is an apocalyptic number.

It is an amenable number.

231301323289 is a deficient number, since it is larger than the sum of its proper divisors (1).

231301323289 is an equidigital number, since it uses as much as digits as its factorization.

231301323289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 231301323289 in words is "two hundred thirty-one billion, three hundred one million, three hundred twenty-three thousand, two hundred eighty-nine".