1030303221 has 8 divisors (see below), whose sum is σ = 1410865824. Its totient is φ = 668304720.

The previous prime is 1030303189. The next prime is 1030303229. The reversal of 1030303221 is 1223030301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1030303221 - 2⁵ = 1030303189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1030303221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030303229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4640895 + ... + 4641116.

It is an arithmetic number, because the mean of its divisors is an integer number (176358228).

Almost surely, 2^1030303221 is an apocalyptic number.

It is an amenable number.

1030303221 is a deficient number, since it is larger than the sum of its proper divisors (380562603).

1030303221 is an equidigital number, since it uses as much as digits as its factorization.

1030303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9282051.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1030303221 is about 32098.3367326097. The cubic root of 1030303221 is about 1010.0007257453. Note that the first 3 decimals are identical.

Adding to 1030303221 its reverse (1223030301), we get a palindrome (2253333522).

The spelling of 1030303221 in words is "one billion, thirty million, three hundred three thousand, two hundred twenty-one".