11031440213 has 2 divisors, whose sum is σ = 11031440214. Its totient is φ = 11031440212.

The previous prime is 11031440207. The next prime is 11031440219. The reversal of 11031440213 is 31204413011.

It is a balanced prime because it is at equal distance from previous prime (11031440207) and next prime (11031440219).

It can be written as a sum of positive squares in only one way, i.e., 9781605604 + 1249834609 = 98902^2 + 35353^2 .

It is a cyclic number.

It is not a de Polignac number, because 11031440213 - 2¹⁰ = 11031439189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11031440219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515720106 + 5515720107.

It is an arithmetic number, because the mean of its divisors is an integer number (5515720107).

Almost surely, 2^11031440213 is an apocalyptic number.

It is an amenable number.

11031440213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031440213 is an equidigital number, since it uses as much as digits as its factorization.

11031440213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11031440213 its reverse (31204413011), we get a palindrome (42235853224).

The spelling of 11031440213 in words is "eleven billion, thirty-one million, four hundred forty thousand, two hundred thirteen".