231101032289 has 2 divisors, whose sum is σ = 231101032290. Its totient is φ = 231101032288.

The previous prime is 231101032259. The next prime is 231101032369. The reversal of 231101032289 is 982230101132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229041687889 + 2059344400 = 478583^2 + 45380^2 .

It is a cyclic number.

It is not a de Polignac number, because 231101032289 - 2⁸ = 231101032033 is a prime.

It is not a weakly prime, because it can be changed into another prime (231101032259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115550516144 + 115550516145.

It is an arithmetic number, because the mean of its divisors is an integer number (115550516145).

Almost surely, 2^231101032289 is an apocalyptic number.

It is an amenable number.

231101032289 is a deficient number, since it is larger than the sum of its proper divisors (1).

231101032289 is an equidigital number, since it uses as much as digits as its factorization.

231101032289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 231101032289 in words is "two hundred thirty-one billion, one hundred one million, thirty-two thousand, two hundred eighty-nine".