313003 has 2 divisors, whose sum is σ = 313004. Its totient is φ = 313002.

The previous prime is 312989. The next prime is 313009. The reversal of 313003 is 300313.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313003 - 2⁵ = 312971 is a prime.

It is not a weakly prime, because it can be changed into another prime (313009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156501 + 156502.

It is an arithmetic number, because the mean of its divisors is an integer number (156502).

2³¹³⁰⁰³ is an apocalyptic number.

313003 is a deficient number, since it is larger than the sum of its proper divisors (1).

313003 is an equidigital number, since it uses as much as digits as its factorization.

313003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 10.

The square root of 313003 is about 559.4667103591. The cubic root of 313003 is about 67.8968302858.

Adding to 313003 its reverse (300313), we get a palindrome (613316).

The spelling of 313003 in words is "three hundred thirteen thousand, three".