100004243131 has 4 divisors (see below), whose sum is σ = 107696877232. Its totient is φ = 92311609032.

The previous prime is 100004243111. The next prime is 100004243159. The reversal of 100004243131 is 131342400001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100004243131 - 2⁵ = 100004243099 is a prime.

It is a super-2 number, since 2×100004243131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100004243099 and 100004243108.

It is not an unprimeable number, because it can be changed into a prime (100004243111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3846317031 + ... + 3846317056.

It is an arithmetic number, because the mean of its divisors is an integer number (26924219308).

Almost surely, 2^100004243131 is an apocalyptic number.

100004243131 is a deficient number, since it is larger than the sum of its proper divisors (7692634101).

100004243131 is an equidigital number, since it uses as much as digits as its factorization.

100004243131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7692634100.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 100004243131 its reverse (131342400001), we get a palindrome (231346643132).

The spelling of 100004243131 in words is "one hundred billion, four million, two hundred forty-three thousand, one hundred thirty-one".