1342213321 has 2 divisors, whose sum is σ = 1342213322. Its totient is φ = 1342213320.

The previous prime is 1342213297. The next prime is 1342213337. The reversal of 1342213321 is 1233122431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 899700025 + 442513296 = 29995^2 + 21036^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342213321 - 2²⁹ = 805342409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1342213292 and 1342213301.

It is not a weakly prime, because it can be changed into another prime (1342213381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671106660 + 671106661.

It is an arithmetic number, because the mean of its divisors is an integer number (671106661).

Almost surely, 2^1342213321 is an apocalyptic number.

It is an amenable number.

1342213321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342213321 is an equidigital number, since it uses as much as digits as its factorization.

1342213321 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1342213321 is about 36636.2296231476. The cubic root of 1342213321 is about 1103.0804346593.

Adding to 1342213321 its reverse (1233122431), we get a palindrome (2575335752).

The spelling of 1342213321 in words is "one billion, three hundred forty-two million, two hundred thirteen thousand, three hundred twenty-one".