2311424321 has 2 divisors, whose sum is σ = 2311424322. Its totient is φ = 2311424320.

The previous prime is 2311424273. The next prime is 2311424341. The reversal of 2311424321 is 1234241132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1709409025 + 602015296 = 41345^2 + 24536^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311424321 - 2¹⁸ = 2311162177 is a prime.

It is a super-2 number, since 2×2311424321² = 10685364783420622082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2311424341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155712160 + 1155712161.

It is an arithmetic number, because the mean of its divisors is an integer number (1155712161).

Almost surely, 2^2311424321 is an apocalyptic number.

It is an amenable number.

2311424321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311424321 is an equidigital number, since it uses as much as digits as its factorization.

2311424321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 2311424321 is about 48077.2744755773. The cubic root of 2311424321 is about 1322.1880455794.

Adding to 2311424321 its reverse (1234241132), we get a palindrome (3545665453).

The spelling of 2311424321 in words is "two billion, three hundred eleven million, four hundred twenty-four thousand, three hundred twenty-one".