104831143 has 4 divisors (see below), whose sum is σ = 108446040. Its totient is φ = 101216248.

The previous prime is 104831131. The next prime is 104831149. The reversal of 104831143 is 341138401.

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 104831143 - 2⁹ = 104830631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104831149) 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, 1807405 + ... + 1807462.

It is an arithmetic number, because the mean of its divisors is an integer number (27111510).

Almost surely, 2^104831143 is an apocalyptic number.

104831143 is a deficient number, since it is larger than the sum of its proper divisors (3614897).

104831143 is an equidigital number, since it uses as much as digits as its factorization.

104831143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3614896.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 104831143 is about 10238.7080727990. The cubic root of 104831143 is about 471.5163684877.

Adding to 104831143 its reverse (341138401), we get a palindrome (445969544).

The spelling of 104831143 in words is "one hundred four million, eight hundred thirty-one thousand, one hundred forty-three".