312211203103 has 2 divisors, whose sum is σ = 312211203104. Its totient is φ = 312211203102.

The previous prime is 312211202971. The next prime is 312211203107. The reversal of 312211203103 is 301302112213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312211203103 - 2²⁹ = 311674332191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312211203107) 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, 156105601551 + 156105601552.

It is an arithmetic number, because the mean of its divisors is an integer number (156105601552).

Almost surely, 2^312211203103 is an apocalyptic number.

312211203103 is a deficient number, since it is larger than the sum of its proper divisors (1).

312211203103 is an equidigital number, since it uses as much as digits as its factorization.

312211203103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312211203103 its reverse (301302112213), we get a palindrome (613513315316).

The spelling of 312211203103 in words is "three hundred twelve billion, two hundred eleven million, two hundred three thousand, one hundred three".