101312003173 has 2 divisors, whose sum is σ = 101312003174. Its totient is φ = 101312003172.

The previous prime is 101312003161. The next prime is 101312003227. The reversal of 101312003173 is 371300213101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101252512804 + 59490369 = 318202^2 + 7713^2 .

It is a cyclic number.

It is not a de Polignac number, because 101312003173 - 2⁹ = 101312002661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101312063173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50656001586 + 50656001587.

It is an arithmetic number, because the mean of its divisors is an integer number (50656001587).

Almost surely, 2^101312003173 is an apocalyptic number.

It is an amenable number.

101312003173 is a deficient number, since it is larger than the sum of its proper divisors (1).

101312003173 is an equidigital number, since it uses as much as digits as its factorization.

101312003173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 22.

Adding to 101312003173 its reverse (371300213101), we get a palindrome (472612216274).

The spelling of 101312003173 in words is "one hundred one billion, three hundred twelve million, three thousand, one hundred seventy-three".