314340443 has 2 divisors, whose sum is σ = 314340444. Its totient is φ = 314340442.

The previous prime is 314340407. The next prime is 314340469. The reversal of 314340443 is 344043413.

It is an a-pointer prime, because the next prime (314340469) can be obtained adding 314340443 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314340443 is a prime.

It is not a weakly prime, because it can be changed into another prime (314340343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157170221 + 157170222.

It is an arithmetic number, because the mean of its divisors is an integer number (157170222).

Almost surely, 2^314340443 is an apocalyptic number.

314340443 is a deficient number, since it is larger than the sum of its proper divisors (1).

314340443 is an equidigital number, since it uses as much as digits as its factorization.

314340443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 314340443 is about 17729.6486992834. The cubic root of 314340443 is about 679.9339922953.

Adding to 314340443 its reverse (344043413), we get a palindrome (658383856).

The spelling of 314340443 in words is "three hundred fourteen million, three hundred forty thousand, four hundred forty-three".