318875817233 has 2 divisors, whose sum is σ = 318875817234. Its totient is φ = 318875817232.

The previous prime is 318875817179. The next prime is 318875817301. The reversal of 318875817233 is 332718578813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 293825791249 + 25050025984 = 542057^2 + 158272^2 .

It is a cyclic number.

It is not a de Polignac number, because 318875817233 - 2³⁴ = 301695948049 is a prime.

It is not a weakly prime, because it can be changed into another prime (318875810233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159437908616 + 159437908617.

It is an arithmetic number, because the mean of its divisors is an integer number (159437908617).

Almost surely, 2^318875817233 is an apocalyptic number.

It is an amenable number.

318875817233 is a deficient number, since it is larger than the sum of its proper divisors (1).

318875817233 is an equidigital number, since it uses as much as digits as its factorization.

318875817233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6773760, while the sum is 56.

The spelling of 318875817233 in words is "three hundred eighteen billion, eight hundred seventy-five million, eight hundred seventeen thousand, two hundred thirty-three".