100026431243 has 2 divisors, whose sum is σ = 100026431244. Its totient is φ = 100026431242.

The previous prime is 100026431177. The next prime is 100026431249. The reversal of 100026431243 is 342134620001.

It is a strong prime.

It is an emirp because it is prime and its reverse (342134620001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100026431243 - 2¹⁰ = 100026430219 is a prime.

It is not a weakly prime, because it can be changed into another prime (100026431249) 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, 50013215621 + 50013215622.

It is an arithmetic number, because the mean of its divisors is an integer number (50013215622).

Almost surely, 2^100026431243 is an apocalyptic number.

100026431243 is a deficient number, since it is larger than the sum of its proper divisors (1).

100026431243 is an equidigital number, since it uses as much as digits as its factorization.

100026431243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 100026431243 in words is "one hundred billion, twenty-six million, four hundred thirty-one thousand, two hundred forty-three".