1311006268 has 48 divisors (see below), whose sum is σ = 2716729344. Its totient is φ = 545711040.

The previous prime is 1311006259. The next prime is 1311006269. The reversal of 1311006268 is 8626001131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311006269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63621 + ... + 81667.

It is an arithmetic number, because the mean of its divisors is an integer number (56598528).

Almost surely, 2^1311006268 is an apocalyptic number.

It is an amenable number.

1311006268 is an abundant number, since it is smaller than the sum of its proper divisors (1405723076).

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

1311006268 is a wasteful number, since it uses less digits than its factorization.

1311006268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18202 (or 18200 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1311006268 is about 36207.8205364532. The cubic root of 1311006268 is about 1094.4642731520.

Adding to 1311006268 its reverse (8626001131), we get a palindrome (9937007399).

The spelling of 1311006268 in words is "one billion, three hundred eleven million, six thousand, two hundred sixty-eight".