313042663 has 2 divisors, whose sum is σ = 313042664. Its totient is φ = 313042662.

The previous prime is 313042661. The next prime is 313042679. The reversal of 313042663 is 366240313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313042663 - 2¹ = 313042661 is a prime.

Together with 313042661, 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 (313042661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156521331 + 156521332.

It is an arithmetic number, because the mean of its divisors is an integer number (156521332).

Almost surely, 2^313042663 is an apocalyptic number.

313042663 is a deficient number, since it is larger than the sum of its proper divisors (1).

313042663 is an equidigital number, since it uses as much as digits as its factorization.

313042663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 313042663 is about 17693.0116995383. The cubic root of 313042663 is about 678.9969807323.

Adding to 313042663 its reverse (366240313), we get a palindrome (679282976).

The spelling of 313042663 in words is "three hundred thirteen million, forty-two thousand, six hundred sixty-three".