2406311321 has 2 divisors, whose sum is σ = 2406311322. Its totient is φ = 2406311320.

The previous prime is 2406311293. The next prime is 2406311389. The reversal of 2406311321 is 1231136042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1584915721 + 821395600 = 39811^2 + 28660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2406311321 is a prime.

It is not a weakly prime, because it can be changed into another prime (2406311521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1203155660 + 1203155661.

It is an arithmetic number, because the mean of its divisors is an integer number (1203155661).

Almost surely, 2^2406311321 is an apocalyptic number.

It is an amenable number.

2406311321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2406311321 is an equidigital number, since it uses as much as digits as its factorization.

2406311321 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 23.

The square root of 2406311321 is about 49054.1672133979. The cubic root of 2406311321 is about 1340.0384857514.

Adding to 2406311321 its reverse (1231136042), we get a palindrome (3637447363).

The spelling of 2406311321 in words is "two billion, four hundred six million, three hundred eleven thousand, three hundred twenty-one".