194313107 has 2 divisors, whose sum is σ = 194313108. Its totient is φ = 194313106.

The previous prime is 194313103. The next prime is 194313113. The reversal of 194313107 is 701313491.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194313107 - 2² = 194313103 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194313107.

It is not a weakly prime, because it can be changed into another prime (194313103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97156553 + 97156554.

It is an arithmetic number, because the mean of its divisors is an integer number (97156554).

Almost surely, 2^194313107 is an apocalyptic number.

194313107 is a deficient number, since it is larger than the sum of its proper divisors (1).

194313107 is an equidigital number, since it uses as much as digits as its factorization.

194313107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 194313107 is about 13939.6236319350. The cubic root of 194313107 is about 579.2073069240.

Adding to 194313107 its reverse (701313491), we get a palindrome (895626598).

The spelling of 194313107 in words is "one hundred ninety-four million, three hundred thirteen thousand, one hundred seven".