313611303 has 4 divisors (see below), whose sum is σ = 418148408. Its totient is φ = 209074200.

The previous prime is 313611299. The next prime is 313611349. The reversal of 313611303 is 303116313.

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

It is not a de Polignac number, because 313611303 - 2² = 313611299 is a prime.

It is a super-5 number, since 5×313611303⁵ (a number of 44 digits) contains 55555 as substring. Note that it is a super-d number also for d = 3.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313611303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313611803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52268548 + ... + 52268553.

It is an arithmetic number, because the mean of its divisors is an integer number (104537102).

Almost surely, 2^313611303 is an apocalyptic number.

313611303 is a deficient number, since it is larger than the sum of its proper divisors (104537105).

313611303 is a wasteful number, since it uses less digits than its factorization.

313611303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104537104.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 313611303 is about 17709.0740299994. The cubic root of 313611303 is about 679.4078632719.

Adding to 313611303 its reverse (303116313), we get a palindrome (616727616).

The spelling of 313611303 in words is "three hundred thirteen million, six hundred eleven thousand, three hundred three".