1311352268 has 12 divisors (see below), whose sum is σ = 2394643440. Its totient is φ = 627168432.

The previous prime is 1311352267. The next prime is 1311352309. The reversal of 1311352268 is 8622531131.

It is not an unprimeable number, because it can be changed into a prime (1311352267) 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, 7126823 + ... + 7127006.

It is an arithmetic number, because the mean of its divisors is an integer number (199553620).

Almost surely, 2^1311352268 is an apocalyptic number.

It is an amenable number.

1311352268 is a deficient number, since it is larger than the sum of its proper divisors (1083291172).

1311352268 is a wasteful number, since it uses less digits than its factorization.

1311352268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14253856 (or 14253854 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 1311352268 is about 36212.5981945510. The cubic root of 1311352268 is about 1094.5605481377.

Adding to 1311352268 its reverse (8622531131), we get a palindrome (9933883399).

The spelling of 1311352268 in words is "one billion, three hundred eleven million, three hundred fifty-two thousand, two hundred sixty-eight".