312312103 has 2 divisors, whose sum is σ = 312312104. Its totient is φ = 312312102.

The previous prime is 312312097. The next prime is 312312157. The reversal of 312312103 is 301213213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312312103 - 2¹⁷ = 312181031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312312163) 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, 156156051 + 156156052.

It is an arithmetic number, because the mean of its divisors is an integer number (156156052).

Almost surely, 2^312312103 is an apocalyptic number.

312312103 is a deficient number, since it is larger than the sum of its proper divisors (1).

312312103 is an equidigital number, since it uses as much as digits as its factorization.

312312103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 312312103 is about 17672.3542008415. The cubic root of 312312103 is about 678.4683686332.

Adding to 312312103 its reverse (301213213), we get a palindrome (613525316).

The spelling of 312312103 in words is "three hundred twelve million, three hundred twelve thousand, one hundred three".