1330334321 has 2 divisors, whose sum is σ = 1330334322. Its totient is φ = 1330334320.

The previous prime is 1330334233. The next prime is 1330334351. The reversal of 1330334321 is 1234330331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 779023921 + 551310400 = 27911^2 + 23480^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330334321 - 2¹⁰ = 1330333297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1330334351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665167160 + 665167161.

It is an arithmetic number, because the mean of its divisors is an integer number (665167161).

Almost surely, 2^1330334321 is an apocalyptic number.

It is an amenable number.

1330334321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330334321 is an equidigital number, since it uses as much as digits as its factorization.

1330334321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 1330334321 is about 36473.7483815415. The cubic root of 1330334321 is about 1099.8165867749.

Adding to 1330334321 its reverse (1234330331), we get a palindrome (2564664652).

The spelling of 1330334321 in words is "one billion, three hundred thirty million, three hundred thirty-four thousand, three hundred twenty-one".