1342304321 has 2 divisors, whose sum is σ = 1342304322. Its totient is φ = 1342304320.

The previous prime is 1342304281. The next prime is 1342304347. The reversal of 1342304321 is 1234032431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1291396096 + 50908225 = 35936^2 + 7135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342304321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1342307321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671152160 + 671152161.

It is an arithmetic number, because the mean of its divisors is an integer number (671152161).

Almost surely, 2^1342304321 is an apocalyptic number.

It is an amenable number.

1342304321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342304321 is an equidigital number, since it uses as much as digits as its factorization.

1342304321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1342304321 is about 36637.4715421247. The cubic root of 1342304321 is about 1103.1053631485.

Adding to 1342304321 its reverse (1234032431), we get a palindrome (2576336752).

The spelling of 1342304321 in words is "one billion, three hundred forty-two million, three hundred four thousand, three hundred twenty-one".