11114231231 has 2 divisors, whose sum is σ = 11114231232. Its totient is φ = 11114231230.

The previous prime is 11114231221. The next prime is 11114231291. The reversal of 11114231231 is 13213241111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11114231231 - 2¹⁰ = 11114230207 is a prime.

It is a super-2 number, since 2×11114231231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11114231221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5557115615 + 5557115616.

It is an arithmetic number, because the mean of its divisors is an integer number (5557115616).

Almost surely, 2^11114231231 is an apocalyptic number.

11114231231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11114231231 is an equidigital number, since it uses as much as digits as its factorization.

11114231231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 20.

Adding to 11114231231 its reverse (13213241111), we get a palindrome (24327472342).

The spelling of 11114231231 in words is "eleven billion, one hundred fourteen million, two hundred thirty-one thousand, two hundred thirty-one".