2312311 has 2 divisors, whose sum is σ = 2312312. Its totient is φ = 2312310.

The previous prime is 2312293. The next prime is 2312341. The reversal of 2312311 is 1132132.

2312311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2312311 - 2¹⁹ = 1788023 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2312291 and 2312300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156155 + 1156156.

It is an arithmetic number, because the mean of its divisors is an integer number (1156156).

2^2312311 is an apocalyptic number.

2312311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312311 is an equidigital number, since it uses as much as digits as its factorization.

2312311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36, while the sum is 13.

The square root of 2312311 is about 1520.6284884876. The cubic root of 2312311 is about 132.2357090915.

Adding to 2312311 its reverse (1132132), we get a palindrome (3444443).

The spelling of 2312311 in words is "two million, three hundred twelve thousand, three hundred eleven".