1030343204321 has 2 divisors, whose sum is σ = 1030343204322. Its totient is φ = 1030343204320.

The previous prime is 1030343204309. The next prime is 1030343204351. The reversal of 1030343204321 is 1234023430301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 711389346721 + 318953857600 = 843439^2 + 564760^2 .

It is an emirp because it is prime and its reverse (1234023430301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1030343204321 - 2²² = 1030339010017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1030343204351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515171602160 + 515171602161.

It is an arithmetic number, because the mean of its divisors is an integer number (515171602161).

Almost surely, 2^{1030343204321} is an apocalyptic number.

It is an amenable number.

1030343204321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030343204321 is an equidigital number, since it uses as much as digits as its factorization.

1030343204321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1030343204321 its reverse (1234023430301), we get a palindrome (2264366634622).

The spelling of 1030343204321 in words is "one trillion, thirty billion, three hundred forty-three million, two hundred four thousand, three hundred twenty-one".