1313344633 has 2 divisors, whose sum is σ = 1313344634. Its totient is φ = 1313344632.

The previous prime is 1313344621. The next prime is 1313344649. The reversal of 1313344633 is 3364433131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1305521424 + 7823209 = 36132^2 + 2797^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313344633 - 2⁹ = 1313344121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313344595 and 1313344604.

It is not a weakly prime, because it can be changed into another prime (1313344693) 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, 656672316 + 656672317.

It is an arithmetic number, because the mean of its divisors is an integer number (656672317).

Almost surely, 2^1313344633 is an apocalyptic number.

It is an amenable number.

1313344633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313344633 is an equidigital number, since it uses as much as digits as its factorization.

1313344633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 31.

The square root of 1313344633 is about 36240.0970335346. The cubic root of 1313344633 is about 1095.1145972375.

Adding to 1313344633 its reverse (3364433131), we get a palindrome (4677777764).

The spelling of 1313344633 in words is "one billion, three hundred thirteen million, three hundred forty-four thousand, six hundred thirty-three".