194131317 has 8 divisors (see below), whose sum is σ = 259045920. Its totient is φ = 129318800.

The previous prime is 194131271. The next prime is 194131363. The reversal of 194131317 is 713131491.

It is an interprime number because it is at equal distance from previous prime (194131271) and next prime (194131363).

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 194131317 - 2⁸ = 194131061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194131387) 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, 20967 + ... + 28772.

It is an arithmetic number, because the mean of its divisors is an integer number (32380740).

Almost surely, 2^194131317 is an apocalyptic number.

It is an amenable number.

194131317 is a deficient number, since it is larger than the sum of its proper divisors (64914603).

194131317 is a wasteful number, since it uses less digits than its factorization.

194131317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51043.

The product of its digits is 2268, while the sum is 30.

The square root of 194131317 is about 13933.1014853119. The cubic root of 194131317 is about 579.0266243973.

The spelling of 194131317 in words is "one hundred ninety-four million, one hundred thirty-one thousand, three hundred seventeen".