104631143 has 2 divisors, whose sum is σ = 104631144. Its totient is φ = 104631142.

The previous prime is 104631133. The next prime is 104631151. The reversal of 104631143 is 341136401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104631143 - 2¹⁴ = 104614759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104631103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52315571 + 52315572.

It is an arithmetic number, because the mean of its divisors is an integer number (52315572).

Almost surely, 2^104631143 is an apocalyptic number.

104631143 is a deficient number, since it is larger than the sum of its proper divisors (1).

104631143 is an equidigital number, since it uses as much as digits as its factorization.

104631143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 104631143 is about 10228.9365527410. The cubic root of 104631143 is about 471.2163199011.

Adding to 104631143 its reverse (341136401), we get a palindrome (445767544).

The spelling of 104631143 in words is "one hundred four million, six hundred thirty-one thousand, one hundred forty-three".