1311344 has 20 divisors (see below), whose sum is σ = 2604000. Its totient is φ = 639360.

The previous prime is 1311341. The next prime is 1311353. The reversal of 1311344 is 4431131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344 + ... + 1655.

It is an arithmetic number, because the mean of its divisors is an integer number (130200).

2^1311344 is an apocalyptic number.

It is an amenable number.

1311344 is a deficient number, since it is larger than the sum of its proper divisors (1292656).

1311344 is a wasteful number, since it uses less digits than its factorization.

1311344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048 (or 2042 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 1311344 is about 1145.1392928373. The cubic root of 1311344 is about 109.4558247753.

Adding to 1311344 its reverse (4431131), we get a palindrome (5742475).

The spelling of 1311344 in words is "one million, three hundred eleven thousand, three hundred forty-four".