313344443 has 2 divisors, whose sum is σ = 313344444. Its totient is φ = 313344442.

The previous prime is 313344439. The next prime is 313344463. The reversal of 313344443 is 344443313.

It is a weak prime.

It is an emirp because it is prime and its reverse (344443313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313344443 - 2² = 313344439 is a prime.

It is not a weakly prime, because it can be changed into another prime (313344403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156672221 + 156672222.

It is an arithmetic number, because the mean of its divisors is an integer number (156672222).

Almost surely, 2^313344443 is an apocalyptic number.

313344443 is a deficient number, since it is larger than the sum of its proper divisors (1).

313344443 is an equidigital number, since it uses as much as digits as its factorization.

313344443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 29.

The square root of 313344443 is about 17701.5378710439. The cubic root of 313344443 is about 679.2150999890.

Adding to 313344443 its reverse (344443313), we get a palindrome (657787756).

The spelling of 313344443 in words is "three hundred thirteen million, three hundred forty-four thousand, four hundred forty-three".