2312113231 has 2 divisors, whose sum is σ = 2312113232. Its totient is φ = 2312113230.

The previous prime is 2312113217. The next prime is 2312113259. The reversal of 2312113231 is 1323112132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2312113231 is a prime.

It is a super-2 number, since 2×2312113231² = 10691735185930518722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2312113199 and 2312113208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312117231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156056615 + 1156056616.

It is an arithmetic number, because the mean of its divisors is an integer number (1156056616).

Almost surely, 2^2312113231 is an apocalyptic number.

2312113231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312113231 is an equidigital number, since it uses as much as digits as its factorization.

2312113231 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2312113231 is about 48084.4385534447. The cubic root of 2312113231 is about 1322.3193900034.

Adding to 2312113231 its reverse (1323112132), we get a palindrome (3635225363).

The spelling of 2312113231 in words is "two billion, three hundred twelve million, one hundred thirteen thousand, two hundred thirty-one".