938304313 has 2 divisors, whose sum is σ = 938304314. Its totient is φ = 938304312.

The previous prime is 938304277. The next prime is 938304319. The reversal of 938304313 is 313403839.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 658846224 + 279458089 = 25668^2 + 16717^2 .

It is a cyclic number.

It is not a de Polignac number, because 938304313 - 2⁹ = 938303801 is a prime.

It is not a weakly prime, because it can be changed into another prime (938304319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469152156 + 469152157.

It is an arithmetic number, because the mean of its divisors is an integer number (469152157).

Almost surely, 2^938304313 is an apocalyptic number.

It is an amenable number.

938304313 is a deficient number, since it is larger than the sum of its proper divisors (1).

938304313 is an equidigital number, since it uses as much as digits as its factorization.

938304313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 938304313 is about 30631.7533451809. The cubic root of 938304313 is about 978.9967217486.

The spelling of 938304313 in words is "nine hundred thirty-eight million, three hundred four thousand, three hundred thirteen".