1313223344 has 40 divisors (see below), whose sum is σ = 2726544240. Its totient is φ = 610531328.

The previous prime is 1313223343. The next prime is 1313223377. The reversal of 1313223344 is 4433223131.

It is not an unprimeable number, because it can be changed into a prime (1313223343) 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 in 7 ways as a sum of consecutive naturals, for example, 6509 + ... + 51660.

It is an arithmetic number, because the mean of its divisors is an integer number (68163606).

Almost surely, 2^1313223344 is an apocalyptic number.

It is an amenable number.

1313223344 is an abundant number, since it is smaller than the sum of its proper divisors (1413320896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313223344 is a wasteful number, since it uses less digits than its factorization.

1313223344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58277 (or 58271 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

The square root of 1313223344 is about 36238.4235860226. The cubic root of 1313223344 is about 1095.0808844709.

Adding to 1313223344 its reverse (4433223131), we get a palindrome (5746446475).

The spelling of 1313223344 in words is "one billion, three hundred thirteen million, two hundred twenty-three thousand, three hundred forty-four".