101731413173 has 4 divisors (see below), whose sum is σ = 109556906508. Its totient is φ = 93905919840.

The previous prime is 101731413109. The next prime is 101731413181. The reversal of 101731413173 is 371314137101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12732414244 + 88998998929 = 112838^2 + 298327^2 .

It is a cyclic number.

It is not a de Polignac number, because 101731413173 - 2⁶ = 101731413109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101731413103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3912746648 + ... + 3912746673.

It is an arithmetic number, because the mean of its divisors is an integer number (27389226627).

Almost surely, 2^101731413173 is an apocalyptic number.

101731413173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

101731413173 is a deficient number, since it is larger than the sum of its proper divisors (7825493335).

101731413173 is an equidigital number, since it uses as much as digits as its factorization.

101731413173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7825493334.

The product of its (nonzero) digits is 5292, while the sum is 32.

The spelling of 101731413173 in words is "one hundred one billion, seven hundred thirty-one million, four hundred thirteen thousand, one hundred seventy-three".