1311112130 has 16 divisors (see below), whose sum is σ = 2364540984. Its totient is φ = 523436160.

The previous prime is 1311112093. The next prime is 1311112139. The reversal of 1311112130 is 312111131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 467035321 + 844076809 = 21611^2 + 29053^2 .

It is not an unprimeable number, because it can be changed into a prime (1311112139) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 120617 + ... + 131036.

Almost surely, 2^1311112130 is an apocalyptic number.

1311112130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311112130 is a deficient number, since it is larger than the sum of its proper divisors (1053428854).

1311112130 is a wasteful number, since it uses less digits than its factorization.

1311112130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252181.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1311112130 is about 36209.2823734467. The cubic root of 1311112130 is about 1094.4937312004.

Adding to 1311112130 its reverse (312111131), we get a palindrome (1623223261).

Subtracting from 1311112130 its reverse (312111131), we obtain a palindrome (999000999).

The spelling of 1311112130 in words is "one billion, three hundred eleven million, one hundred twelve thousand, one hundred thirty".