143104031 has 4 divisors (see below), whose sum is σ = 163547472. Its totient is φ = 122660592.

The previous prime is 143104021. The next prime is 143104033. The reversal of 143104031 is 130401341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130401341 = 7 ⋅18628763.

It is a cyclic number.

It is not a de Polignac number, because 143104031 - 2¹⁴ = 143087647 is a prime.

It is a super-2 number, since 2×143104031² = 40957527376897922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143104033) 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 3 ways as a sum of consecutive naturals, for example, 10221710 + ... + 10221723.

It is an arithmetic number, because the mean of its divisors is an integer number (40886868).

Almost surely, 2^143104031 is an apocalyptic number.

143104031 is a deficient number, since it is larger than the sum of its proper divisors (20443441).

143104031 is an equidigital number, since it uses as much as digits as its factorization.

143104031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20443440.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 143104031 is about 11962.6097069160. The cubic root of 143104031 is about 523.0589316559.

Adding to 143104031 its reverse (130401341), we get a palindrome (273505372).

The spelling of 143104031 in words is "one hundred forty-three million, one hundred four thousand, thirty-one".