313103303 has 4 divisors (see below), whose sum is σ = 314447328. Its totient is φ = 311759280.

The previous prime is 313103291. The next prime is 313103311. The reversal of 313103303 is 303301313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313103303 - 2⁶ = 313103239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313103353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671663 + ... + 672128.

It is an arithmetic number, because the mean of its divisors is an integer number (78611832).

Almost surely, 2^313103303 is an apocalyptic number.

313103303 is a deficient number, since it is larger than the sum of its proper divisors (1344025).

313103303 is a wasteful number, since it uses less digits than its factorization.

313103303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344024.

The product of its (nonzero) digits is 243, while the sum is 17.

The square root of 313103303 is about 17694.7252874974. The cubic root of 313103303 is about 679.0408211024.

Adding to 313103303 its reverse (303301313), we get a palindrome (616404616).

The spelling of 313103303 in words is "three hundred thirteen million, one hundred three thousand, three hundred three".