3130442321 has 2 divisors, whose sum is σ = 3130442322. Its totient is φ = 3130442320.

The previous prime is 3130442257. The next prime is 3130442353. The reversal of 3130442321 is 1232440313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1643491600 + 1486950721 = 40540^2 + 38561^2 .

It is a cyclic number.

It is not a de Polignac number, because 3130442321 - 2⁶ = 3130442257 is a prime.

It is not a weakly prime, because it can be changed into another prime (3130442621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565221160 + 1565221161.

It is an arithmetic number, because the mean of its divisors is an integer number (1565221161).

Almost surely, 2^3130442321 is an apocalyptic number.

It is an amenable number.

3130442321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130442321 is an equidigital number, since it uses as much as digits as its factorization.

3130442321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 3130442321 is about 55950.3558612454. The cubic root of 3130442321 is about 1462.8570938578.

Adding to 3130442321 its reverse (1232440313), we get a palindrome (4362882634).

The spelling of 3130442321 in words is "three billion, one hundred thirty million, four hundred forty-two thousand, three hundred twenty-one".