318240067 has 2 divisors, whose sum is σ = 318240068. Its totient is φ = 318240066.

The previous prime is 318240053. The next prime is 318240077. The reversal of 318240067 is 760042813.

It is a strong prime.

It is an emirp because it is prime and its reverse (760042813) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 318240067 - 2¹⁵ = 318207299 is a prime.

It is not a weakly prime, because it can be changed into another prime (318240007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159120033 + 159120034.

It is an arithmetic number, because the mean of its divisors is an integer number (159120034).

Almost surely, 2^318240067 is an apocalyptic number.

318240067 is a deficient number, since it is larger than the sum of its proper divisors (1).

318240067 is an equidigital number, since it uses as much as digits as its factorization.

318240067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 318240067 is about 17839.2843746603. The cubic root of 318240067 is about 682.7341382043.

The spelling of 318240067 in words is "three hundred eighteen million, two hundred forty thousand, sixty-seven".