1311000244 has 6 divisors (see below), whose sum is σ = 2294250434. Its totient is φ = 655500120.

The previous prime is 1311000241. The next prime is 1311000269. The reversal of 1311000244 is 4420001131.

It can be written as a sum of positive squares in only one way, i.e., 761097744 + 549902500 = 27588^2 + 23450^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311000241) 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, 163875027 + ... + 163875034.

Almost surely, 2^1311000244 is an apocalyptic number.

It is an amenable number.

1311000244 is a deficient number, since it is larger than the sum of its proper divisors (983250190).

1311000244 is a wasteful number, since it uses less digits than its factorization.

1311000244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327750065 (or 327750063 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1311000244 is about 36207.7373499091. The cubic root of 1311000244 is about 1094.4625968155.

Adding to 1311000244 its reverse (4420001131), we get a palindrome (5731001375).

The spelling of 1311000244 in words is "one billion, three hundred eleven million, two hundred forty-four", and thus it is an aban number.