184317678313 has 2 divisors, whose sum is σ = 184317678314. Its totient is φ = 184317678312.

The previous prime is 184317678287. The next prime is 184317678317. The reversal of 184317678313 is 313876713481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127140738624 + 57176939689 = 356568^2 + 239117^2 .

It is an emirp because it is prime and its reverse (313876713481) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-184317678313 is a prime.

It is not a weakly prime, because it can be changed into another prime (184317678317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92158839156 + 92158839157.

It is an arithmetic number, because the mean of its divisors is an integer number (92158839157).

Almost surely, 2^184317678313 is an apocalyptic number.

It is an amenable number.

184317678313 is a deficient number, since it is larger than the sum of its proper divisors (1).

184317678313 is an equidigital number, since it uses as much as digits as its factorization.

184317678313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 52.

The spelling of 184317678313 in words is "one hundred eighty-four billion, three hundred seventeen million, six hundred seventy-eight thousand, three hundred thirteen".