2321530613 has 2 divisors, whose sum is σ = 2321530614. Its totient is φ = 2321530612.

The previous prime is 2321530567. The next prime is 2321530657. The reversal of 2321530613 is 3160351232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1451457604 + 870073009 = 38098^2 + 29497^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321530613 - 2⁸ = 2321530357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2321530213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160765306 + 1160765307.

It is an arithmetic number, because the mean of its divisors is an integer number (1160765307).

Almost surely, 2^2321530613 is an apocalyptic number.

It is an amenable number.

2321530613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321530613 is an equidigital number, since it uses as much as digits as its factorization.

2321530613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 2321530613 is about 48182.2645067664. The cubic root of 2321530613 is about 1324.1122546167.

Adding to 2321530613 its reverse (3160351232), we get a palindrome (5481881845).

The spelling of 2321530613 in words is "two billion, three hundred twenty-one million, five hundred thirty thousand, six hundred thirteen".