2340320321 has 2 divisors, whose sum is σ = 2340320322. Its totient is φ = 2340320320.

The previous prime is 2340320291. The next prime is 2340320341. The reversal of 2340320321 is 1230230432.

2340320321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2340320341) can be obtained adding 2340320321 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2052543025 + 287777296 = 45305^2 + 16964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2340320321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2340320293 and 2340320302.

It is not a weakly prime, because it can be changed into another prime (2340320341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170160160 + 1170160161.

It is an arithmetic number, because the mean of its divisors is an integer number (1170160161).

Almost surely, 2^2340320321 is an apocalyptic number.

It is an amenable number.

2340320321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340320321 is an equidigital number, since it uses as much as digits as its factorization.

2340320321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2340320321 is about 48376.8572873435. The cubic root of 2340320321 is about 1327.6749702400.

Adding to 2340320321 its reverse (1230230432), we get a palindrome (3570550753).

The spelling of 2340320321 in words is "two billion, three hundred forty million, three hundred twenty thousand, three hundred twenty-one".