171351316203 has 8 divisors (see below), whose sum is σ = 235838370816. Its totient is φ = 110549236200.

The previous prime is 171351316193. The next prime is 171351316207. The reversal of 171351316203 is 302613153171.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 171351316203 - 2⁶ = 171351316139 is a prime.

It is a super-2 number, since 2×171351316203² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (171351316207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921243543 + ... + 921243728.

It is an arithmetic number, because the mean of its divisors is an integer number (29479796352).

Almost surely, 2^171351316203 is an apocalyptic number.

171351316203 is a deficient number, since it is larger than the sum of its proper divisors (64487054613).

171351316203 is a wasteful number, since it uses less digits than its factorization.

171351316203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842487305.

The product of its (nonzero) digits is 11340, while the sum is 33.

Adding to 171351316203 its reverse (302613153171), we get a palindrome (473964469374).

The spelling of 171351316203 in words is "one hundred seventy-one billion, three hundred fifty-one million, three hundred sixteen thousand, two hundred three".