201231002130089 has 2 divisors, whose sum is σ = 201231002130090. Its totient is φ = 201231002130088.

The previous prime is 201231002130077. The next prime is 201231002130131. The reversal of 201231002130089 is 980031200132102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129755678371225 + 71475323758864 = 11391035^2 + 8454308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201231002130089 is a prime.

It is not a weakly prime, because it can be changed into another prime (201231002130989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100615501065044 + 100615501065045.

It is an arithmetic number, because the mean of its divisors is an integer number (100615501065045).

Almost surely, 2^{201231002130089} is an apocalyptic number.

It is an amenable number.

201231002130089 is a deficient number, since it is larger than the sum of its proper divisors (1).

201231002130089 is an equidigital number, since it uses as much as digits as its factorization.

201231002130089 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 201231002130089 in words is "two hundred one trillion, two hundred thirty-one billion, two million, one hundred thirty thousand, eighty-nine".