1030343221 has 2 divisors, whose sum is σ = 1030343222. Its totient is φ = 1030343220.

The previous prime is 1030343189. The next prime is 1030343297. The reversal of 1030343221 is 1223430301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 954130321 + 76212900 = 30889^2 + 8730^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030343221 - 2⁵ = 1030343189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030346221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515171610 + 515171611.

It is an arithmetic number, because the mean of its divisors is an integer number (515171611).

Almost surely, 2^1030343221 is an apocalyptic number.

It is an amenable number.

1030343221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030343221 is an equidigital number, since it uses as much as digits as its factorization.

1030343221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1030343221 is about 32098.9598118070. The cubic root of 1030343221 is about 1010.0137961714.

Adding to 1030343221 its reverse (1223430301), we get a palindrome (2253773522).

The spelling of 1030343221 in words is "one billion, thirty million, three hundred forty-three thousand, two hundred twenty-one".