100131025103 has 2 divisors, whose sum is σ = 100131025104. Its totient is φ = 100131025102.

The previous prime is 100131025087. The next prime is 100131025129. The reversal of 100131025103 is 301520131001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100131025103 - 2⁴ = 100131025087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100131025153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50065512551 + 50065512552.

It is an arithmetic number, because the mean of its divisors is an integer number (50065512552).

Almost surely, 2^100131025103 is an apocalyptic number.

100131025103 is a deficient number, since it is larger than the sum of its proper divisors (1).

100131025103 is an equidigital number, since it uses as much as digits as its factorization.

100131025103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 17.

Adding to 100131025103 its reverse (301520131001), we get a palindrome (401651156104).

The spelling of 100131025103 in words is "one hundred billion, one hundred thirty-one million, twenty-five thousand, one hundred three".