318806086147 has 2 divisors, whose sum is σ = 318806086148. Its totient is φ = 318806086146.

The previous prime is 318806086097. The next prime is 318806086171. The reversal of 318806086147 is 741680608813.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318806086147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 318806086094 and 318806086103.

It is not a weakly prime, because it can be changed into another prime (318806086847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159403043073 + 159403043074.

It is an arithmetic number, because the mean of its divisors is an integer number (159403043074).

Almost surely, 2^318806086147 is an apocalyptic number.

318806086147 is a deficient number, since it is larger than the sum of its proper divisors (1).

318806086147 is an equidigital number, since it uses as much as digits as its factorization.

318806086147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 318806086147 in words is "three hundred eighteen billion, eight hundred six million, eighty-six thousand, one hundred forty-seven".