171113381 has 8 divisors (see below), whose sum is σ = 183363264. Its totient is φ = 159106240.

The previous prime is 171113363. The next prime is 171113407. The reversal of 171113381 is 183311171.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171113381 is a prime.

It is a super-2 number, since 2×171113381² = 58559578314502322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 171113381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171113581) 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, 59225 + ... + 62046.

It is an arithmetic number, because the mean of its divisors is an integer number (22920408).

Almost surely, 2^171113381 is an apocalyptic number.

It is an amenable number.

171113381 is a deficient number, since it is larger than the sum of its proper divisors (12249883).

171113381 is a wasteful number, since it uses less digits than its factorization.

171113381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121371.

The product of its digits is 504, while the sum is 26.

The square root of 171113381 is about 13081.0313431319. The cubic root of 171113381 is about 555.1725578740.

The spelling of 171113381 in words is "one hundred seventy-one million, one hundred thirteen thousand, three hundred eighty-one".