1321030353 has 8 divisors (see below), whose sum is σ = 1794607488. Its totient is φ = 864070064.

The previous prime is 1321030343. The next prime is 1321030367. The reversal of 1321030353 is 3530301231.

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

It is a cyclic number.

It is not a de Polignac number, because 1321030353 - 2⁹ = 1321029841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1321030303) 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 in 7 ways as a sum of consecutive naturals, for example, 4154025 + ... + 4154342.

It is an arithmetic number, because the mean of its divisors is an integer number (224325936).

Almost surely, 2^1321030353 is an apocalyptic number.

It is an amenable number.

1321030353 is a deficient number, since it is larger than the sum of its proper divisors (473577135).

1321030353 is an equidigital number, since it uses as much as digits as its factorization.

1321030353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8308423.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 1321030353 is about 36345.9812496512. The cubic root of 1321030353 is about 1097.2466547852.

Adding to 1321030353 its reverse (3530301231), we get a palindrome (4851331584).

The spelling of 1321030353 in words is "one billion, three hundred twenty-one million, thirty thousand, three hundred fifty-three".