312004103 has 2 divisors, whose sum is σ = 312004104. Its totient is φ = 312004102.

The previous prime is 312004079. The next prime is 312004123. The reversal of 312004103 is 301400213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312004103 - 2¹⁰ = 312003079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312004123) 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, 156002051 + 156002052.

It is an arithmetic number, because the mean of its divisors is an integer number (156002052).

Almost surely, 2^312004103 is an apocalyptic number.

312004103 is a deficient number, since it is larger than the sum of its proper divisors (1).

312004103 is an equidigital number, since it uses as much as digits as its factorization.

312004103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 312004103 is about 17663.6378755906. The cubic root of 312004103 is about 678.2452616968.

Adding to 312004103 its reverse (301400213), we get a palindrome (613404316).

The spelling of 312004103 in words is "three hundred twelve million, four thousand, one hundred three".