100243034443187 has 2 divisors, whose sum is σ = 100243034443188. Its totient is φ = 100243034443186.

The previous prime is 100243034443051. The next prime is 100243034443229. The reversal of 100243034443187 is 781344430342001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100243034443187 - 2²⁰ = 100243033394611 is a prime.

It is not a weakly prime, because it can be changed into another prime (100243034443787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50121517221593 + 50121517221594.

It is an arithmetic number, because the mean of its divisors is an integer number (50121517221594).

Almost surely, 2^{100243034443187} is an apocalyptic number.

100243034443187 is a deficient number, since it is larger than the sum of its proper divisors (1).

100243034443187 is an equidigital number, since it uses as much as digits as its factorization.

100243034443187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 44.

Adding to 100243034443187 its reverse (781344430342001), we get a palindrome (881587464785188).

The spelling of 100243034443187 in words is "one hundred trillion, two hundred forty-three billion, thirty-four million, four hundred forty-three thousand, one hundred eighty-seven".