1043321339 has 2 divisors, whose sum is σ = 1043321340. Its totient is φ = 1043321338.

The previous prime is 1043321327. The next prime is 1043321347. The reversal of 1043321339 is 9331233401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1043321339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1043321359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521660669 + 521660670.

It is an arithmetic number, because the mean of its divisors is an integer number (521660670).

Almost surely, 2^1043321339 is an apocalyptic number.

1043321339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043321339 is an equidigital number, since it uses as much as digits as its factorization.

1043321339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 1043321339 is about 32300.4851201960. The cubic root of 1043321339 is about 1014.2367980462.

The spelling of 1043321339 in words is "one billion, forty-three million, three hundred twenty-one thousand, three hundred thirty-nine".