104143131 has 8 divisors (see below), whose sum is σ = 154286160. Its totient is φ = 69428736.

The previous prime is 104143121. The next prime is 104143133. The reversal of 104143131 is 131341401.

It is not a de Polignac number, because 104143131 - 2¹⁰ = 104142107 is a prime.

It is a super-2 number, since 2×104143131² = 21691583468966322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104143133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1928550 + ... + 1928603.

It is an arithmetic number, because the mean of its divisors is an integer number (19285770).

Almost surely, 2^104143131 is an apocalyptic number.

104143131 is a deficient number, since it is larger than the sum of its proper divisors (50143029).

104143131 is an equidigital number, since it uses as much as digits as its factorization.

104143131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3857162 (or 3857156 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 104143131 is about 10205.0541889791. The cubic root of 104143131 is about 470.4825751148.

Adding to 104143131 its reverse (131341401), we get a palindrome (235484532).

The spelling of 104143131 in words is "one hundred four million, one hundred forty-three thousand, one hundred thirty-one".