318041441 has 2 divisors, whose sum is σ = 318041442. Its totient is φ = 318041440.

The previous prime is 318041413. The next prime is 318041473. The reversal of 318041441 is 144140813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307827025 + 10214416 = 17545^2 + 3196^2 .

It is an emirp because it is prime and its reverse (144140813) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 318041441 - 2⁶ = 318041377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 318041441.

It is not a weakly prime, because it can be changed into another prime (318041041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159020720 + 159020721.

It is an arithmetic number, because the mean of its divisors is an integer number (159020721).

Almost surely, 2^318041441 is an apocalyptic number.

It is an amenable number.

318041441 is a deficient number, since it is larger than the sum of its proper divisors (1).

318041441 is an equidigital number, since it uses as much as digits as its factorization.

318041441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 318041441 is about 17833.7164102158. The cubic root of 318041441 is about 682.5920683356.

The spelling of 318041441 in words is "three hundred eighteen million, forty-one thousand, four hundred forty-one".