312103303 has 2 divisors, whose sum is σ = 312103304. Its totient is φ = 312103302.

The previous prime is 312103247. The next prime is 312103313. The reversal of 312103303 is 303301213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312103303 - 2¹⁷ = 311972231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312103313) 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 as a sum of consecutive naturals, namely, 156051651 + 156051652.

It is an arithmetic number, because the mean of its divisors is an integer number (156051652).

Almost surely, 2^312103303 is an apocalyptic number.

312103303 is a deficient number, since it is larger than the sum of its proper divisors (1).

312103303 is an equidigital number, since it uses as much as digits as its factorization.

312103303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 312103303 is about 17666.4456810078. The cubic root of 312103303 is about 678.3171355385.

Adding to 312103303 its reverse (303301213), we get a palindrome (615404516).

The spelling of 312103303 in words is "three hundred twelve million, one hundred three thousand, three hundred three".