318075581147 has 2 divisors, whose sum is σ = 318075581148. Its totient is φ = 318075581146.

The previous prime is 318075581143. The next prime is 318075581149. The reversal of 318075581147 is 741185570813.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 318075581147 - 2² = 318075581143 is a prime.

Together with 318075581149, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 318075581095 and 318075581104.

It is not a weakly prime, because it can be changed into another prime (318075581143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159037790573 + 159037790574.

It is an arithmetic number, because the mean of its divisors is an integer number (159037790574).

Almost surely, 2^318075581147 is an apocalyptic number.

318075581147 is a deficient number, since it is larger than the sum of its proper divisors (1).

318075581147 is an equidigital number, since it uses as much as digits as its factorization.

318075581147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 940800, while the sum is 50.

The spelling of 318075581147 in words is "three hundred eighteen billion, seventy-five million, five hundred eighty-one thousand, one hundred forty-seven".