42313000109 has 2 divisors, whose sum is σ = 42313000110. Its totient is φ = 42313000108.

The previous prime is 42313000099. The next prime is 42313000117. The reversal of 42313000109 is 90100031324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23850169225 + 18462830884 = 154435^2 + 135878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42313000109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42313090109) 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, 21156500054 + 21156500055.

It is an arithmetic number, because the mean of its divisors is an integer number (21156500055).

Almost surely, 2^42313000109 is an apocalyptic number.

It is an amenable number.

42313000109 is a deficient number, since it is larger than the sum of its proper divisors (1).

42313000109 is an equidigital number, since it uses as much as digits as its factorization.

42313000109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 42313000109 in words is "forty-two billion, three hundred thirteen million, one hundred nine", and thus it is an aban number.