102231299173 has 2 divisors, whose sum is σ = 102231299174. Its totient is φ = 102231299172.

The previous prime is 102231299171. The next prime is 102231299249. The reversal of 102231299173 is 371992132201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88032670209 + 14198628964 = 296703^2 + 119158^2 .

It is an emirp because it is prime and its reverse (371992132201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102231299173 - 2¹ = 102231299171 is a prime.

Together with 102231299171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102231299171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51115649586 + 51115649587.

It is an arithmetic number, because the mean of its divisors is an integer number (51115649587).

Almost surely, 2^102231299173 is an apocalyptic number.

It is an amenable number.

102231299173 is a deficient number, since it is larger than the sum of its proper divisors (1).

102231299173 is an equidigital number, since it uses as much as digits as its factorization.

102231299173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The spelling of 102231299173 in words is "one hundred two billion, two hundred thirty-one million, two hundred ninety-nine thousand, one hundred seventy-three".