1320230011 has 2 divisors, whose sum is σ = 1320230012. Its totient is φ = 1320230010.

The previous prime is 1320230003. The next prime is 1320230063. The reversal of 1320230011 is 1100320231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1320230011 - 2³ = 1320230003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320229973 and 1320230000.

It is not a weakly prime, because it can be changed into another prime (1320230311) 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, 660115005 + 660115006.

It is an arithmetic number, because the mean of its divisors is an integer number (660115006).

Almost surely, 2^1320230011 is an apocalyptic number.

1320230011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320230011 is an equidigital number, since it uses as much as digits as its factorization.

1320230011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1320230011 is about 36334.9695334949. The cubic root of 1320230011 is about 1097.0250222325.

Adding to 1320230011 its reverse (1100320231), we get a palindrome (2420550242).

The spelling of 1320230011 in words is "one billion, three hundred twenty million, two hundred thirty thousand, eleven".