1311413244 has 48 divisors (see below), whose sum is σ = 3113634048. Its totient is φ = 429504768.

The previous prime is 1311413221. The next prime is 1311413261. The reversal of 1311413244 is 4423141131.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346249 + ... + 350015.

It is an arithmetic number, because the mean of its divisors is an integer number (64867376).

Almost surely, 2^1311413244 is an apocalyptic number.

It is an amenable number.

1311413244 is an abundant number, since it is smaller than the sum of its proper divisors (1802220804).

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

1311413244 is a wasteful number, since it uses less digits than its factorization.

1311413244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4274 (or 4272 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 1311413244 is about 36213.4401017081. The cubic root of 1311413244 is about 1094.5775130401.

Adding to 1311413244 its reverse (4423141131), we get a palindrome (5734554375).

The spelling of 1311413244 in words is "one billion, three hundred eleven million, four hundred thirteen thousand, two hundred forty-four".