318214801 has 2 divisors, whose sum is σ = 318214802. Its totient is φ = 318214800.

The previous prime is 318214759. The next prime is 318214849. The reversal of 318214801 is 108412813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242611776 + 75603025 = 15576^2 + 8695^2 .

It is an emirp because it is prime and its reverse (108412813) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 318214801 - 2¹¹ = 318212753 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 318214801.

It is not a weakly prime, because it can be changed into another prime (318214861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159107400 + 159107401.

It is an arithmetic number, because the mean of its divisors is an integer number (159107401).

Almost surely, 2^318214801 is an apocalyptic number.

It is an amenable number.

318214801 is a deficient number, since it is larger than the sum of its proper divisors (1).

318214801 is an equidigital number, since it uses as much as digits as its factorization.

318214801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 318214801 is about 17838.5762043948. The cubic root of 318214801 is about 682.7160696464.

The spelling of 318214801 in words is "three hundred eighteen million, two hundred fourteen thousand, eight hundred one".