100556324143 has 32 divisors (see below), whose sum is σ = 112236192000. Its totient is φ = 89320408320.

The previous prime is 100556324131. The next prime is 100556324149. The reversal of 100556324143 is 341423655001.

It is a de Polignac number, because none of the positive numbers 2^k-100556324143 is a prime.

It is a super-2 number, since 2×100556324143² (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 = 100556324099 and 100556324108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100556324149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117061648 + ... + 117062506.

It is an arithmetic number, because the mean of its divisors is an integer number (3507381000).

Almost surely, 2^100556324143 is an apocalyptic number.

100556324143 is a deficient number, since it is larger than the sum of its proper divisors (11679867857).

100556324143 is a wasteful number, since it uses less digits than its factorization.

100556324143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 100556324143 its reverse (341423655001), we get a palindrome (441979979144).

The spelling of 100556324143 in words is "one hundred billion, five hundred fifty-six million, three hundred twenty-four thousand, one hundred forty-three".