318300889 has 2 divisors, whose sum is σ = 318300890. Its totient is φ = 318300888.

The previous prime is 318300883. The next prime is 318300907. The reversal of 318300889 is 988003813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314459289 + 3841600 = 17733^2 + 1960^2 .

It is a cyclic number.

It is not a de Polignac number, because 318300889 - 2⁷ = 318300761 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (318300883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159150444 + 159150445.

It is an arithmetic number, because the mean of its divisors is an integer number (159150445).

Almost surely, 2^318300889 is an apocalyptic number.

It is an amenable number.

318300889 is a deficient number, since it is larger than the sum of its proper divisors (1).

318300889 is an equidigital number, since it uses as much as digits as its factorization.

318300889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 318300889 is about 17840.9890140653. The cubic root of 318300889 is about 682.7776301201. Note that the first 3 decimals are identical.

The spelling of 318300889 in words is "three hundred eighteen million, three hundred thousand, eight hundred eighty-nine".