314243281 has 4 divisors (see below), whose sum is σ = 342810864. Its totient is φ = 285675700.

The previous prime is 314243243. The next prime is 314243291. The reversal of 314243281 is 182342413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 314243281 - 2⁹ = 314242769 is a prime.

It is a super-2 number, since 2×314243281² = 197497679307289922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (314243291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14283775 + ... + 14283796.

It is an arithmetic number, because the mean of its divisors is an integer number (85702716).

Almost surely, 2^314243281 is an apocalyptic number.

It is an amenable number.

314243281 is a deficient number, since it is larger than the sum of its proper divisors (28567583).

314243281 is a wasteful number, since it uses less digits than its factorization.

314243281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28567582.

The product of its digits is 4608, while the sum is 28.

The square root of 314243281 is about 17726.9083880975. The cubic root of 314243281 is about 679.8639296653.

Adding to 314243281 its reverse (182342413), we get a palindrome (496585694).

The spelling of 314243281 in words is "three hundred fourteen million, two hundred forty-three thousand, two hundred eighty-one".