100431420113 has 2 divisors, whose sum is σ = 100431420114. Its totient is φ = 100431420112.

The previous prime is 100431420059. The next prime is 100431420157. The reversal of 100431420113 is 311024134001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78323298769 + 22108121344 = 279863^2 + 148688^2 .

It is a cyclic number.

It is not a de Polignac number, because 100431420113 - 2¹⁰ = 100431419089 is a prime.

It is not a weakly prime, because it can be changed into another prime (100431420163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50215710056 + 50215710057.

It is an arithmetic number, because the mean of its divisors is an integer number (50215710057).

Almost surely, 2^100431420113 is an apocalyptic number.

It is an amenable number.

100431420113 is a deficient number, since it is larger than the sum of its proper divisors (1).

100431420113 is an equidigital number, since it uses as much as digits as its factorization.

100431420113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 100431420113 its reverse (311024134001), we get a palindrome (411455554114).

The spelling of 100431420113 in words is "one hundred billion, four hundred thirty-one million, four hundred twenty thousand, one hundred thirteen".