318123108071 has 4 divisors (see below), whose sum is σ = 318155924112. Its totient is φ = 318090292032.

The previous prime is 318123108041. The next prime is 318123108091. The reversal of 318123108071 is 170801321813.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170801321813 = 71237 ⋅2397649.

It is a cyclic number.

It is not a de Polignac number, because 318123108071 - 2⁶ = 318123108007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318123108041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16393475 + ... + 16412868.

It is an arithmetic number, because the mean of its divisors is an integer number (79538981028).

Almost surely, 2^318123108071 is an apocalyptic number.

318123108071 is a deficient number, since it is larger than the sum of its proper divisors (32816041).

318123108071 is an equidigital number, since it uses as much as digits as its factorization.

318123108071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32816040.

The product of its (nonzero) digits is 8064, while the sum is 35.

Adding to 318123108071 its reverse (170801321813), we get a palindrome (488924429884).

The spelling of 318123108071 in words is "three hundred eighteen billion, one hundred twenty-three million, one hundred eight thousand, seventy-one".