2331024221 has 2 divisors, whose sum is σ = 2331024222. Its totient is φ = 2331024220.

The previous prime is 2331024197. The next prime is 2331024239. The reversal of 2331024221 is 1224201332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2166902500 + 164121721 = 46550^2 + 12811^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331024221 - 2²² = 2326829917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2331024193 and 2331024202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331084221) 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, 1165512110 + 1165512111.

It is an arithmetic number, because the mean of its divisors is an integer number (1165512111).

Almost surely, 2^2331024221 is an apocalyptic number.

It is an amenable number.

2331024221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331024221 is an equidigital number, since it uses as much as digits as its factorization.

2331024221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2331024221 is about 48280.6816542600. The cubic root of 2331024221 is about 1325.9147301252.

Adding to 2331024221 its reverse (1224201332), we get a palindrome (3555225553).

The spelling of 2331024221 in words is "two billion, three hundred thirty-one million, twenty-four thousand, two hundred twenty-one".