1043144321 has 2 divisors, whose sum is σ = 1043144322. Its totient is φ = 1043144320.

The previous prime is 1043144309. The next prime is 1043144339. The reversal of 1043144321 is 1234413401.

1043144321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1040707600 + 2436721 = 32260^2 + 1561^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043144321 - 2¹⁴ = 1043127937 is a prime.

It is not a weakly prime, because it can be changed into another prime (1043144341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521572160 + 521572161.

It is an arithmetic number, because the mean of its divisors is an integer number (521572161).

Almost surely, 2^1043144321 is an apocalyptic number.

It is an amenable number.

1043144321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043144321 is an equidigital number, since it uses as much as digits as its factorization.

1043144321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1043144321 is about 32297.7448283932. The cubic root of 1043144321 is about 1014.1794337048.

Adding to 1043144321 its reverse (1234413401), we get a palindrome (2277557722).

The spelling of 1043144321 in words is "one billion, forty-three million, one hundred forty-four thousand, three hundred twenty-one".