318440341 has 2 divisors, whose sum is σ = 318440342. Its totient is φ = 318440340.

The previous prime is 318440321. The next prime is 318440351. The reversal of 318440341 is 143044813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317908900 + 531441 = 17830^2 + 729^2 .

It is a cyclic number.

It is not a de Polignac number, because 318440341 - 2¹⁷ = 318309269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318440321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159220170 + 159220171.

It is an arithmetic number, because the mean of its divisors is an integer number (159220171).

Almost surely, 2^318440341 is an apocalyptic number.

It is an amenable number.

318440341 is a deficient number, since it is larger than the sum of its proper divisors (1).

318440341 is an equidigital number, since it uses as much as digits as its factorization.

318440341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 318440341 is about 17844.8967775104. The cubic root of 318440341 is about 682.8773269874.

The spelling of 318440341 in words is "three hundred eighteen million, four hundred forty thousand, three hundred forty-one".