318883241 has 2 divisors, whose sum is σ = 318883242. Its totient is φ = 318883240.

The previous prime is 318883237. The next prime is 318883249. The reversal of 318883241 is 142388813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207475216 + 111408025 = 14404^2 + 10555^2 .

It is a cyclic number.

It is not a de Polignac number, because 318883241 - 2² = 318883237 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 318883195 and 318883204.

It is not a weakly prime, because it can be changed into another prime (318883249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159441620 + 159441621.

It is an arithmetic number, because the mean of its divisors is an integer number (159441621).

Almost surely, 2^318883241 is an apocalyptic number.

It is an amenable number.

318883241 is a deficient number, since it is larger than the sum of its proper divisors (1).

318883241 is an equidigital number, since it uses as much as digits as its factorization.

318883241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 38.

The square root of 318883241 is about 17857.3021758607. The cubic root of 318883241 is about 683.1937716702.

The spelling of 318883241 in words is "three hundred eighteen million, eight hundred eighty-three thousand, two hundred forty-one".