1312344244 has 6 divisors (see below), whose sum is σ = 2296602434. Its totient is φ = 656172120.

The previous prime is 1312344239. The next prime is 1312344247. The reversal of 1312344244 is 4424432131.

It can be written as a sum of positive squares in only one way, i.e., 870840100 + 441504144 = 29510^2 + 21012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312344247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164043027 + ... + 164043034.

Almost surely, 2^1312344244 is an apocalyptic number.

It is an amenable number.

1312344244 is a deficient number, since it is larger than the sum of its proper divisors (984258190).

1312344244 is a wasteful number, since it uses less digits than its factorization.

1312344244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328086065 (or 328086063 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 1312344244 is about 36226.2921646696. The cubic root of 1312344244 is about 1094.8364730121.

Adding to 1312344244 its reverse (4424432131), we get a palindrome (5736776375).

The spelling of 1312344244 in words is "one billion, three hundred twelve million, three hundred forty-four thousand, two hundred forty-four".