313313320303 has 2 divisors, whose sum is σ = 313313320304. Its totient is φ = 313313320302.

The previous prime is 313313320283. The next prime is 313313320337. The reversal of 313313320303 is 303023313313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313313320303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313313320343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156656660151 + 156656660152.

It is an arithmetic number, because the mean of its divisors is an integer number (156656660152).

Almost surely, 2^313313320303 is an apocalyptic number.

313313320303 is a deficient number, since it is larger than the sum of its proper divisors (1).

313313320303 is an equidigital number, since it uses as much as digits as its factorization.

313313320303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 313313320303 its reverse (303023313313), we get a palindrome (616336633616).

It can be divided in two parts, 313313 and 320303, that added together give a square (633616 = 796²).

The spelling of 313313320303 in words is "three hundred thirteen billion, three hundred thirteen million, three hundred twenty thousand, three hundred three".