313212303 has 6 divisors (see below), whose sum is σ = 452417784. Its totient is φ = 208808196.

The previous prime is 313212299. The next prime is 313212323. The reversal of 313212303 is 303212313.

It is not a de Polignac number, because 313212303 - 2² = 313212299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313212323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17400675 + ... + 17400692.

It is an arithmetic number, because the mean of its divisors is an integer number (75402964).

Almost surely, 2^313212303 is an apocalyptic number.

313212303 is a deficient number, since it is larger than the sum of its proper divisors (139205481).

313212303 is a wasteful number, since it uses less digits than its factorization.

313212303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34801373 (or 34801370 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 313212303 is about 17697.8050333933. The cubic root of 313212303 is about 679.1196096486.

Adding to 313212303 its reverse (303212313), we get a palindrome (616424616).

The spelling of 313212303 in words is "three hundred thirteen million, two hundred twelve thousand, three hundred three".