1343041321 has 2 divisors, whose sum is σ = 1343041322. Its totient is φ = 1343041320.

The previous prime is 1343041291. The next prime is 1343041351. The reversal of 1343041321 is 1231403431.

It is a balanced prime because it is at equal distance from previous prime (1343041291) and next prime (1343041351).

It can be written as a sum of positive squares in only one way, i.e., 1293409296 + 49632025 = 35964^2 + 7045^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343041321 - 2⁵ = 1343041289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1343041292 and 1343041301.

It is not a weakly prime, because it can be changed into another prime (1343041351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671520660 + 671520661.

It is an arithmetic number, because the mean of its divisors is an integer number (671520661).

Almost surely, 2^1343041321 is an apocalyptic number.

It is an amenable number.

1343041321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343041321 is an equidigital number, since it uses as much as digits as its factorization.

1343041321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1343041321 is about 36647.5281703964. The cubic root of 1343041321 is about 1103.3072150171.

Adding to 1343041321 its reverse (1231403431), we get a palindrome (2574444752).

The spelling of 1343041321 in words is "one billion, three hundred forty-three million, forty-one thousand, three hundred twenty-one".