11214430231 has 2 divisors, whose sum is σ = 11214430232. Its totient is φ = 11214430230.

The previous prime is 11214430223. The next prime is 11214430243. The reversal of 11214430231 is 13203441211.

It is a weak prime.

It is an emirp because it is prime and its reverse (13203441211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11214430231 - 2³ = 11214430223 is a prime.

It is a super-2 number, since 2×11214430231² (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 (11214430261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5607215115 + 5607215116.

It is an arithmetic number, because the mean of its divisors is an integer number (5607215116).

Almost surely, 2^11214430231 is an apocalyptic number.

11214430231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11214430231 is an equidigital number, since it uses as much as digits as its factorization.

11214430231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11214430231 its reverse (13203441211), we get a palindrome (24417871442).

The spelling of 11214430231 in words is "eleven billion, two hundred fourteen million, four hundred thirty thousand, two hundred thirty-one".