100131113123 has 2 divisors, whose sum is σ = 100131113124. Its totient is φ = 100131113122.

The previous prime is 100131113119. The next prime is 100131113167. The reversal of 100131113123 is 321311131001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100131113123 - 2² = 100131113119 is a prime.

It is not a weakly prime, because it can be changed into another prime (100131113113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50065556561 + 50065556562.

It is an arithmetic number, because the mean of its divisors is an integer number (50065556562).

Almost surely, 2^100131113123 is an apocalyptic number.

100131113123 is a deficient number, since it is larger than the sum of its proper divisors (1).

100131113123 is an equidigital number, since it uses as much as digits as its factorization.

100131113123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 100131113123 its reverse (321311131001), we get a palindrome (421442244124).

The spelling of 100131113123 in words is "one hundred billion, one hundred thirty-one million, one hundred thirteen thousand, one hundred twenty-three".