1313442329 has 2 divisors, whose sum is σ = 1313442330. Its totient is φ = 1313442328.

The previous prime is 1313442323. The next prime is 1313442341. The reversal of 1313442329 is 9232443131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1270566025 + 42876304 = 35645^2 + 6548^2 .

It is an emirp because it is prime and its reverse (9232443131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1313442329 - 2¹² = 1313438233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313442295 and 1313442304.

It is not a weakly prime, because it can be changed into another prime (1313442323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656721164 + 656721165.

It is an arithmetic number, because the mean of its divisors is an integer number (656721165).

Almost surely, 2^1313442329 is an apocalyptic number.

It is an amenable number.

1313442329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313442329 is an equidigital number, since it uses as much as digits as its factorization.

1313442329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 1313442329 is about 36241.4449077296. Note that the first 3 decimals coincide. The cubic root of 1313442329 is about 1095.1417507255.

The spelling of 1313442329 in words is "one billion, three hundred thirteen million, four hundred forty-two thousand, three hundred twenty-nine".