100131000123043 has 2 divisors, whose sum is σ = 100131000123044. Its totient is φ = 100131000123042.

The previous prime is 100131000123029. The next prime is 100131000123071. The reversal of 100131000123043 is 340321000131001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100131000123043 - 2³⁷ = 99993561169571 is a prime.

It is a super-2 number, since 2×100131000123043² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100131000123043.

It is not a weakly prime, because it can be changed into another prime (100131000123443) 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, 50065500061521 + 50065500061522.

It is an arithmetic number, because the mean of its divisors is an integer number (50065500061522).

Almost surely, 2^{100131000123043} is an apocalyptic number.

100131000123043 is a deficient number, since it is larger than the sum of its proper divisors (1).

100131000123043 is an equidigital number, since it uses as much as digits as its factorization.

100131000123043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 100131000123043 its reverse (340321000131001), we get a palindrome (440452000254044).

The spelling of 100131000123043 in words is "one hundred trillion, one hundred thirty-one billion, one hundred twenty-three thousand, forty-three".