100131223079 has 2 divisors, whose sum is σ = 100131223080. Its totient is φ = 100131223078.

The previous prime is 100131223063. The next prime is 100131223103. The reversal of 100131223079 is 970322131001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100131223079 - 2⁴ = 100131223063 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100131223279) 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, 50065611539 + 50065611540.

It is an arithmetic number, because the mean of its divisors is an integer number (50065611540).

Almost surely, 2^100131223079 is an apocalyptic number.

100131223079 is a deficient number, since it is larger than the sum of its proper divisors (1).

100131223079 is an equidigital number, since it uses as much as digits as its factorization.

100131223079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The spelling of 100131223079 in words is "one hundred billion, one hundred thirty-one million, two hundred twenty-three thousand, seventy-nine".