313123003 has 2 divisors, whose sum is σ = 313123004. Its totient is φ = 313123002.

The previous prime is 313123001. The next prime is 313123043. The reversal of 313123003 is 300321313.

It is a weak prime.

It is an emirp because it is prime and its reverse (300321313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313123003 - 2¹ = 313123001 is a prime.

Together with 313123001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (313123001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156561501 + 156561502.

It is an arithmetic number, because the mean of its divisors is an integer number (156561502).

Almost surely, 2^313123003 is an apocalyptic number.

313123003 is a deficient number, since it is larger than the sum of its proper divisors (1).

313123003 is an equidigital number, since it uses as much as digits as its factorization.

313123003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 313123003 is about 17695.2819418058. The cubic root of 313123003 is about 679.0550622208.

Adding to 313123003 its reverse (300321313), we get a palindrome (613444316).

The spelling of 313123003 in words is "three hundred thirteen million, one hundred twenty-three thousand, three".