312303303 has 32 divisors (see below), whose sum is σ = 499322880. Its totient is φ = 191777760.

The previous prime is 312303259. The next prime is 312303319. The reversal of 312303303 is 303303213.

It is not a de Polignac number, because 312303303 - 2⁶ = 312303239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312303503) 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 31 ways as a sum of consecutive naturals, for example, 302398 + ... + 303428.

It is an arithmetic number, because the mean of its divisors is an integer number (15603840).

Almost surely, 2^312303303 is an apocalyptic number.

312303303 is a deficient number, since it is larger than the sum of its proper divisors (187019577).

312303303 is a wasteful number, since it uses less digits than its factorization.

312303303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916 (or 1910 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

The square root of 312303303 is about 17672.1052226383. The cubic root of 312303303 is about 678.4619961854.

Adding to 312303303 its reverse (303303213), we get a palindrome (615606516).

The spelling of 312303303 in words is "three hundred twelve million, three hundred three thousand, three hundred three".