231231010210073 has 2 divisors, whose sum is σ = 231231010210074. Its totient is φ = 231231010210072.

The previous prime is 231231010210009. The next prime is 231231010210133. The reversal of 231231010210073 is 370012010132132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195755132527504 + 35475877682569 = 13991252^2 + 5956163^2 .

It is a cyclic number.

It is not a de Polignac number, because 231231010210073 - 2⁶ = 231231010210009 is a prime.

It is not a weakly prime, because it can be changed into another prime (231231010260073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115615505105036 + 115615505105037.

It is an arithmetic number, because the mean of its divisors is an integer number (115615505105037).

Almost surely, 2^{231231010210073} is an apocalyptic number.

It is an amenable number.

231231010210073 is a deficient number, since it is larger than the sum of its proper divisors (1).

231231010210073 is an equidigital number, since it uses as much as digits as its factorization.

231231010210073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The spelling of 231231010210073 in words is "two hundred thirty-one trillion, two hundred thirty-one billion, ten million, two hundred ten thousand, seventy-three".