1323213011 has 2 divisors, whose sum is σ = 1323213012. Its totient is φ = 1323213010.

The previous prime is 1323212971. The next prime is 1323213061. The reversal of 1323213011 is 1103123231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1323213011 - 2¹⁰ = 1323211987 is a prime.

It is a super-2 number, since 2×1323213011² = 3501785344959372242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1323213061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661606505 + 661606506.

It is an arithmetic number, because the mean of its divisors is an integer number (661606506).

Almost surely, 2^1323213011 is an apocalyptic number.

1323213011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323213011 is an equidigital number, since it uses as much as digits as its factorization.

1323213011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1323213011 is about 36375.9949829554. The cubic root of 1323213011 is about 1097.8506268798.

Adding to 1323213011 its reverse (1103123231), we get a palindrome (2426336242).

The spelling of 1323213011 in words is "one billion, three hundred twenty-three million, two hundred thirteen thousand, eleven".