1311300112 has 20 divisors (see below), whose sum is σ = 2554686316. Its totient is φ = 652026240.

The previous prime is 1311300077. The next prime is 1311300113. The reversal of 1311300112 is 2110031131.

It can be written as a sum of positive squares in 2 ways, for example, as 479785216 + 831514896 = 21904^2 + 28836^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1311300092 and 1311300101.

It is not an unprimeable number, because it can be changed into a prime (1311300113) 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, 223503 + ... + 229294.

Almost surely, 2^1311300112 is an apocalyptic number.

It is an amenable number.

1311300112 is a deficient number, since it is larger than the sum of its proper divisors (1243386204).

1311300112 is a wasteful number, since it uses less digits than its factorization.

1311300112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452986 (or 452980 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1311300112 is about 36211.8780512693. The cubic root of 1311300112 is about 1094.5460367415.

Adding to 1311300112 its reverse (2110031131), we get a palindrome (3421331243).

The spelling of 1311300112 in words is "one billion, three hundred eleven million, three hundred thousand, one hundred twelve".