100242312187 has 2 divisors, whose sum is σ = 100242312188. Its totient is φ = 100242312186.

The previous prime is 100242312179. The next prime is 100242312227. The reversal of 100242312187 is 781213242001.

It is a weak prime.

It is an emirp because it is prime and its reverse (781213242001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100242312187 - 2³ = 100242312179 is a prime.

It is not a weakly prime, because it can be changed into another prime (100242312127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50121156093 + 50121156094.

It is an arithmetic number, because the mean of its divisors is an integer number (50121156094).

Almost surely, 2^100242312187 is an apocalyptic number.

100242312187 is a deficient number, since it is larger than the sum of its proper divisors (1).

100242312187 is an equidigital number, since it uses as much as digits as its factorization.

100242312187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

Adding to 100242312187 its reverse (781213242001), we get a palindrome (881455554188).

The spelling of 100242312187 in words is "one hundred billion, two hundred forty-two million, three hundred twelve thousand, one hundred eighty-seven".