100320403103 has 2 divisors, whose sum is σ = 100320403104. Its totient is φ = 100320403102.

The previous prime is 100320403093. The next prime is 100320403109. The reversal of 100320403103 is 301304023001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100320403103 - 2⁶ = 100320403039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100320403109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50160201551 + 50160201552.

It is an arithmetic number, because the mean of its divisors is an integer number (50160201552).

Almost surely, 2^100320403103 is an apocalyptic number.

100320403103 is a deficient number, since it is larger than the sum of its proper divisors (1).

100320403103 is an equidigital number, since it uses as much as digits as its factorization.

100320403103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 100320403103 its reverse (301304023001), we get a palindrome (401624426104).

The spelling of 100320403103 in words is "one hundred billion, three hundred twenty million, four hundred three thousand, one hundred three".