318147607 has 2 divisors, whose sum is σ = 318147608. Its totient is φ = 318147606.

The previous prime is 318147593. The next prime is 318147611. The reversal of 318147607 is 706741813.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318147607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318147307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159073803 + 159073804.

It is an arithmetic number, because the mean of its divisors is an integer number (159073804).

Almost surely, 2^318147607 is an apocalyptic number.

318147607 is a deficient number, since it is larger than the sum of its proper divisors (1).

318147607 is an equidigital number, since it uses as much as digits as its factorization.

318147607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 318147607 is about 17836.6927147383. The cubic root of 318147607 is about 682.6680123250.

The spelling of 318147607 in words is "three hundred eighteen million, one hundred forty-seven thousand, six hundred seven".