1313224441 has 2 divisors, whose sum is σ = 1313224442. Its totient is φ = 1313224440.

The previous prime is 1313224421. The next prime is 1313224481. The reversal of 1313224441 is 1444223131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1157972841 + 155251600 = 34029^2 + 12460^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313224441 - 2¹³ = 1313216249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313224421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656612220 + 656612221.

It is an arithmetic number, because the mean of its divisors is an integer number (656612221).

Almost surely, 2^1313224441 is an apocalyptic number.

It is an amenable number.

1313224441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313224441 is an equidigital number, since it uses as much as digits as its factorization.

1313224441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 1313224441 is about 36238.4387218876. The cubic root of 1313224441 is about 1095.0811893957.

Adding to 1313224441 its reverse (1444223131), we get a palindrome (2757447572).

It can be divided in two parts, 13132 and 24441, that added together give a palindrome (37573).

The spelling of 1313224441 in words is "one billion, three hundred thirteen million, two hundred twenty-four thousand, four hundred forty-one".