171930313 has 8 divisors (see below), whose sum is σ = 179928000. Its totient is φ = 163976208.

The previous prime is 171930301. The next prime is 171930361. The reversal of 171930313 is 313039171.

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

It is a cyclic number.

It is not a de Polignac number, because 171930313 - 2⁹ = 171929801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171930113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2683 + ... + 18736.

It is an arithmetic number, because the mean of its divisors is an integer number (22491000).

Almost surely, 2^171930313 is an apocalyptic number.

It is an amenable number.

171930313 is a deficient number, since it is larger than the sum of its proper divisors (7997687).

171930313 is a wasteful number, since it uses less digits than its factorization.

171930313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21791.

The product of its (nonzero) digits is 1701, while the sum is 28.

The square root of 171930313 is about 13112.2199874773. The cubic root of 171930313 is about 556.0546598869.

Adding to 171930313 its reverse (313039171), we get a palindrome (484969484).

The spelling of 171930313 in words is "one hundred seventy-one million, nine hundred thirty thousand, three hundred thirteen".