231010321310173 has 2 divisors, whose sum is σ = 231010321310174. Its totient is φ = 231010321310172.

The previous prime is 231010321310159. The next prime is 231010321310177. The reversal of 231010321310173 is 371013123010132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183118758851044 + 47891562459129 = 13532138^2 + 6920373^2 .

It is a cyclic number.

It is not a de Polignac number, because 231010321310173 - 2⁵ = 231010321310141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231010321310177) 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, 115505160655086 + 115505160655087.

It is an arithmetic number, because the mean of its divisors is an integer number (115505160655087).

Almost surely, 2^{231010321310173} is an apocalyptic number.

It is an amenable number.

231010321310173 is a deficient number, since it is larger than the sum of its proper divisors (1).

231010321310173 is an equidigital number, since it uses as much as digits as its factorization.

231010321310173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The spelling of 231010321310173 in words is "two hundred thirty-one trillion, ten billion, three hundred twenty-one million, three hundred ten thousand, one hundred seventy-three".