312303321103 has 2 divisors, whose sum is σ = 312303321104. Its totient is φ = 312303321102.

The previous prime is 312303321101. The next prime is 312303321167. The reversal of 312303321103 is 301123303213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312303321103 - 2¹ = 312303321101 is a prime.

Together with 312303321101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312303321101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156151660551 + 156151660552.

It is an arithmetic number, because the mean of its divisors is an integer number (156151660552).

Almost surely, 2^312303321103 is an apocalyptic number.

312303321103 is a deficient number, since it is larger than the sum of its proper divisors (1).

312303321103 is an equidigital number, since it uses as much as digits as its factorization.

312303321103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 312303321103 its reverse (301123303213), we get a palindrome (613426624316).

The spelling of 312303321103 in words is "three hundred twelve billion, three hundred three million, three hundred twenty-one thousand, one hundred three".