231011233302089 has 2 divisors, whose sum is σ = 231011233302090. Its totient is φ = 231011233302088.

The previous prime is 231011233302053. The next prime is 231011233302133. The reversal of 231011233302089 is 980203332110132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229813320564025 + 1197912738064 = 15159595^2 + 1094492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231011233302089 is a prime.

It is not a weakly prime, because it can be changed into another prime (231011233302989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115505616651044 + 115505616651045.

It is an arithmetic number, because the mean of its divisors is an integer number (115505616651045).

Almost surely, 2^{231011233302089} is an apocalyptic number.

It is an amenable number.

231011233302089 is a deficient number, since it is larger than the sum of its proper divisors (1).

231011233302089 is an equidigital number, since it uses as much as digits as its factorization.

231011233302089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 231011233302089 in words is "two hundred thirty-one trillion, eleven billion, two hundred thirty-three million, three hundred two thousand, eighty-nine".