1313013344 has 12 divisors (see below), whose sum is σ = 2584995084. Its totient is φ = 656506656.

The previous prime is 1313013341. The next prime is 1313013431. The reversal of 1313013344 is 4433103131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313013341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20515802 + ... + 20515865.

It is an arithmetic number, because the mean of its divisors is an integer number (215416257).

Almost surely, 2^1313013344 is an apocalyptic number.

It is an amenable number.

1313013344 is a deficient number, since it is larger than the sum of its proper divisors (1271981740).

1313013344 is an equidigital number, since it uses as much as digits as its factorization.

1313013344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41031677 (or 41031669 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1313013344 is about 36235.5259931466. The cubic root of 1313013344 is about 1095.0225092153.

Adding to 1313013344 its reverse (4433103131), we get a palindrome (5746116475).

The spelling of 1313013344 in words is "one billion, three hundred thirteen million, thirteen thousand, three hundred forty-four".