2312321311 has 2 divisors, whose sum is σ = 2312321312. Its totient is φ = 2312321310.

The previous prime is 2312321309. The next prime is 2312321329. The reversal of 2312321311 is 1131232132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2312321311 - 2¹ = 2312321309 is a prime.

Together with 2312321309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312321381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156160655 + 1156160656.

It is an arithmetic number, because the mean of its divisors is an integer number (1156160656).

Almost surely, 2^2312321311 is an apocalyptic number.

2312321311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312321311 is an equidigital number, since it uses as much as digits as its factorization.

2312321311 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 2312321311 is about 48086.6021985334. The cubic root of 2312321311 is about 1322.3590564524.

Adding to 2312321311 its reverse (1131232132), we get a palindrome (3443553443).

It can be divided in two parts, 231232131 and 1, that added together give a palindrome (231232132).

The spelling of 2312321311 in words is "two billion, three hundred twelve million, three hundred twenty-one thousand, three hundred eleven".