120310312103 has 2 divisors, whose sum is σ = 120310312104. Its totient is φ = 120310312102.

The previous prime is 120310312069. The next prime is 120310312127. The reversal of 120310312103 is 301213013021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120310312103 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120310312153) 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, 60155156051 + 60155156052.

It is an arithmetic number, because the mean of its divisors is an integer number (60155156052).

Almost surely, 2^120310312103 is an apocalyptic number.

120310312103 is a deficient number, since it is larger than the sum of its proper divisors (1).

120310312103 is an equidigital number, since it uses as much as digits as its factorization.

120310312103 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 17.

Adding to 120310312103 its reverse (301213013021), we get a palindrome (421523325124).

The spelling of 120310312103 in words is "one hundred twenty billion, three hundred ten million, three hundred twelve thousand, one hundred three".