100040311243 has 2 divisors, whose sum is σ = 100040311244. Its totient is φ = 100040311242.

The previous prime is 100040311237. The next prime is 100040311253. The reversal of 100040311243 is 342113040001.

It is a weak prime.

It is an emirp because it is prime and its reverse (342113040001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100040311243 - 2⁵ = 100040311211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100040311243.

It is not a weakly prime, because it can be changed into another prime (100040311223) 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, 50020155621 + 50020155622.

It is an arithmetic number, because the mean of its divisors is an integer number (50020155622).

Almost surely, 2^100040311243 is an apocalyptic number.

100040311243 is a deficient number, since it is larger than the sum of its proper divisors (1).

100040311243 is an equidigital number, since it uses as much as digits as its factorization.

100040311243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 100040311243 its reverse (342113040001), we get a palindrome (442153351244).

The spelling of 100040311243 in words is "one hundred billion, forty million, three hundred eleven thousand, two hundred forty-three".