1000043320319 has 2 divisors, whose sum is σ = 1000043320320. Its totient is φ = 1000043320318.

The previous prime is 1000043320307. The next prime is 1000043320321. The reversal of 1000043320319 is 9130233400001.

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-1000043320319 is a prime.

It is a super-2 number, since 2×1000043320319² (a number of 25 digits) contains 22 as substring.

Together with 1000043320321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000043320519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500021660159 + 500021660160.

It is an arithmetic number, because the mean of its divisors is an integer number (500021660160).

Almost surely, 2^{1000043320319} is an apocalyptic number.

1000043320319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000043320319 is an equidigital number, since it uses as much as digits as its factorization.

1000043320319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 1000043320319 in words is "one trillion, forty-three million, three hundred twenty thousand, three hundred nineteen".