1322321311 has 2 divisors, whose sum is σ = 1322321312. Its totient is φ = 1322321310.

The previous prime is 1322321309. The next prime is 1322321411. The reversal of 1322321311 is 1131232231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1322321311 - 2¹ = 1322321309 is a prime.

Together with 1322321309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322321411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661160655 + 661160656.

It is an arithmetic number, because the mean of its divisors is an integer number (661160656).

Almost surely, 2^1322321311 is an apocalyptic number.

1322321311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322321311 is an equidigital number, since it uses as much as digits as its factorization.

1322321311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 19.

The square root of 1322321311 is about 36363.7362079311. The cubic root of 1322321311 is about 1097.6039612811.

Adding to 1322321311 its reverse (1131232231), we get a palindrome (2453553542).

The spelling of 1322321311 in words is "one billion, three hundred twenty-two million, three hundred twenty-one thousand, three hundred eleven".