11230312231 has 2 divisors, whose sum is σ = 11230312232. Its totient is φ = 11230312230.

The previous prime is 11230312141. The next prime is 11230312277. The reversal of 11230312231 is 13221303211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11230312231 - 2⁷ = 11230312103 is a prime.

It is a super-2 number, since 2×11230312231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11230312199 and 11230312208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11230312831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615156115 + 5615156116.

It is an arithmetic number, because the mean of its divisors is an integer number (5615156116).

Almost surely, 2^11230312231 is an apocalyptic number.

11230312231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11230312231 is an equidigital number, since it uses as much as digits as its factorization.

11230312231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11230312231 its reverse (13221303211), we get a palindrome (24451615442).

The spelling of 11230312231 in words is "eleven billion, two hundred thirty million, three hundred twelve thousand, two hundred thirty-one".