11123031232213 has 2 divisors, whose sum is σ = 11123031232214. Its totient is φ = 11123031232212.

The previous prime is 11123031232171. The next prime is 11123031232267. The reversal of 11123031232213 is 31223213032111.

11123031232213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6696206816209 + 4426824416004 = 2587703^2 + 2104002^2 .

It is a cyclic number.

It is not a de Polignac number, because 11123031232213 - 2¹³ = 11123031224021 is a prime.

It is a super-3 number, since 3×11123031232213³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11123031292213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561515616106 + 5561515616107.

It is an arithmetic number, because the mean of its divisors is an integer number (5561515616107).

Almost surely, 2^{11123031232213} is an apocalyptic number.

It is an amenable number.

11123031232213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123031232213 is an equidigital number, since it uses as much as digits as its factorization.

11123031232213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11123031232213 its reverse (31223213032111), we get a palindrome (42346244264324).

The spelling of 11123031232213 in words is "eleven trillion, one hundred twenty-three billion, thirty-one million, two hundred thirty-two thousand, two hundred thirteen".