100002031193 has 2 divisors, whose sum is σ = 100002031194. Its totient is φ = 100002031192.

The previous prime is 100002031189. The next prime is 100002031231. The reversal of 100002031193 is 391130200001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68242157824 + 31759873369 = 261232^2 + 178213^2 .

It is a cyclic number.

It is not a de Polignac number, because 100002031193 - 2² = 100002031189 is a prime.

It is not a weakly prime, because it can be changed into another prime (100002031183) 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, 50001015596 + 50001015597.

It is an arithmetic number, because the mean of its divisors is an integer number (50001015597).

Almost surely, 2^100002031193 is an apocalyptic number.

It is an amenable number.

100002031193 is a deficient number, since it is larger than the sum of its proper divisors (1).

100002031193 is an equidigital number, since it uses as much as digits as its factorization.

100002031193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 100002031193 its reverse (391130200001), we get a palindrome (491132231194).

The spelling of 100002031193 in words is "one hundred billion, two million, thirty-one thousand, one hundred ninety-three".