313313603 has 2 divisors, whose sum is σ = 313313604. Its totient is φ = 313313602.

The previous prime is 313313599. The next prime is 313313681. The reversal of 313313603 is 306313313.

It is a weak prime.

It is an emirp because it is prime and its reverse (306313313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313313603 - 2² = 313313599 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (313313503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156656801 + 156656802.

It is an arithmetic number, because the mean of its divisors is an integer number (156656802).

Almost surely, 2^313313603 is an apocalyptic number.

313313603 is a deficient number, since it is larger than the sum of its proper divisors (1).

313313603 is an equidigital number, since it uses as much as digits as its factorization.

313313603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 23.

The square root of 313313603 is about 17700.6667388548. Note that the first 3 decimals coincide. The cubic root of 313313603 is about 679.1928160122.

Adding to 313313603 its reverse (306313313), we get a palindrome (619626916).

The spelling of 313313603 in words is "three hundred thirteen million, three hundred thirteen thousand, six hundred three".