314038381 has 2 divisors, whose sum is σ = 314038382. Its totient is φ = 314038380.

The previous prime is 314038379. The next prime is 314038397. The reversal of 314038381 is 183830413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313821225 + 217156 = 17715^2 + 466^2 .

It is a cyclic number.

It is not a de Polignac number, because 314038381 - 2¹ = 314038379 is a prime.

It is a super-2 number, since 2×314038381² = 197240209482202322, which contains 22 as substring.

Together with 314038379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314038301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157019190 + 157019191.

It is an arithmetic number, because the mean of its divisors is an integer number (157019191).

Almost surely, 2^314038381 is an apocalyptic number.

It is an amenable number.

314038381 is a deficient number, since it is larger than the sum of its proper divisors (1).

314038381 is an equidigital number, since it uses as much as digits as its factorization.

314038381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 314038381 is about 17721.1280961456. The cubic root of 314038381 is about 679.7161307931.

Adding to 314038381 its reverse (183830413), we get a palindrome (497868794).

The spelling of 314038381 in words is "three hundred fourteen million, thirty-eight thousand, three hundred eighty-one".