312343103 has 2 divisors, whose sum is σ = 312343104. Its totient is φ = 312343102.

The previous prime is 312343093. The next prime is 312343121. The reversal of 312343103 is 301343213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312343103 - 2⁶ = 312343039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312346103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156171551 + 156171552.

It is an arithmetic number, because the mean of its divisors is an integer number (156171552).

Almost surely, 2^312343103 is an apocalyptic number.

312343103 is a deficient number, since it is larger than the sum of its proper divisors (1).

312343103 is an equidigital number, since it uses as much as digits as its factorization.

312343103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 312343103 is about 17673.2312552063. The cubic root of 312343103 is about 678.4908160753.

Adding to 312343103 its reverse (301343213), we get a palindrome (613686316).

The spelling of 312343103 in words is "three hundred twelve million, three hundred forty-three thousand, one hundred three".