1311074868 has 24 divisors (see below), whose sum is σ = 3062663968. Its totient is φ = 436526496.

The previous prime is 1311074857. The next prime is 1311074873. The reversal of 1311074868 is 8684701131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51271 + ... + 72462.

Almost surely, 2^1311074868 is an apocalyptic number.

It is an amenable number.

1311074868 is an abundant number, since it is smaller than the sum of its proper divisors (1751589100).

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

1311074868 is a wasteful number, since it uses less digits than its factorization.

1311074868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124623 (or 124621 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 1311074868 is about 36208.7678332196. The cubic root of 1311074868 is about 1094.4833625444.

Adding to 1311074868 its reverse (8684701131), we get a palindrome (9995775999).

It can be divided in two parts, 13110 and 74868, that added together give a palindrome (87978).

The spelling of 1311074868 in words is "one billion, three hundred eleven million, seventy-four thousand, eight hundred sixty-eight".