100324431643 has 2 divisors, whose sum is σ = 100324431644. Its totient is φ = 100324431642.

The previous prime is 100324431619. The next prime is 100324431661. The reversal of 100324431643 is 346134423001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100324431643 - 2⁹ = 100324431131 is a prime.

It is not a weakly prime, because it can be changed into another prime (100324431673) 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, 50162215821 + 50162215822.

It is an arithmetic number, because the mean of its divisors is an integer number (50162215822).

Almost surely, 2^100324431643 is an apocalyptic number.

100324431643 is a deficient number, since it is larger than the sum of its proper divisors (1).

100324431643 is an equidigital number, since it uses as much as digits as its factorization.

100324431643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 100324431643 its reverse (346134423001), we get a palindrome (446458854644).

The spelling of 100324431643 in words is "one hundred billion, three hundred twenty-four million, four hundred thirty-one thousand, six hundred forty-three".