1121314231 has 2 divisors, whose sum is σ = 1121314232. Its totient is φ = 1121314230.

The previous prime is 1121314213. The next prime is 1121314247. The reversal of 1121314231 is 1324131211.

Together with previous prime (1121314213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121314231 - 2¹¹ = 1121312183 is a prime.

It is a super-2 number, since 2×1121314231² = 2514691209286242722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121314199 and 1121314208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121314291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560657115 + 560657116.

It is an arithmetic number, because the mean of its divisors is an integer number (560657116).

Almost surely, 2^1121314231 is an apocalyptic number.

1121314231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121314231 is an equidigital number, since it uses as much as digits as its factorization.

1121314231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 19.

The square root of 1121314231 is about 33486.0303858191. The cubic root of 1121314231 is about 1038.9048602072.

Adding to 1121314231 its reverse (1324131211), we get a palindrome (2445445442).

The spelling of 1121314231 in words is "one billion, one hundred twenty-one million, three hundred fourteen thousand, two hundred thirty-one".