104543131 has 8 divisors (see below), whose sum is σ = 130339584. Its totient is φ = 81462120.

The previous prime is 104543123. The next prime is 104543143. The reversal of 104543131 is 131345401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104543131 - 2³ = 104543123 is a prime.

It is a super-2 number, since 2×104543131² = 21858532478566322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104543431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678775 + ... + 678928.

It is an arithmetic number, because the mean of its divisors is an integer number (16292448).

Almost surely, 2^104543131 is an apocalyptic number.

104543131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

104543131 is a deficient number, since it is larger than the sum of its proper divisors (25796453).

104543131 is a wasteful number, since it uses less digits than its factorization.

104543131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357721.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 104543131 is about 10224.6335386653. The cubic root of 104543131 is about 471.0841593625.

Adding to 104543131 its reverse (131345401), we get a palindrome (235888532).

The spelling of 104543131 in words is "one hundred four million, five hundred forty-three thousand, one hundred thirty-one".