313030304123 has 2 divisors, whose sum is σ = 313030304124. Its totient is φ = 313030304122.

The previous prime is 313030304113. The next prime is 313030304149. The reversal of 313030304123 is 321403030313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313030304123 - 2¹² = 313030300027 is a prime.

It is not a weakly prime, because it can be changed into another prime (313030304113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156515152061 + 156515152062.

It is an arithmetic number, because the mean of its divisors is an integer number (156515152062).

Almost surely, 2^313030304123 is an apocalyptic number.

313030304123 is a deficient number, since it is larger than the sum of its proper divisors (1).

313030304123 is an equidigital number, since it uses as much as digits as its factorization.

313030304123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 313030304123 its reverse (321403030313), we get a palindrome (634433334436).

The spelling of 313030304123 in words is "three hundred thirteen billion, thirty million, three hundred four thousand, one hundred twenty-three".