11311131300 has 144 divisors (see below), whose sum is σ = 39370813440. Its totient is φ = 2449319040.

The previous prime is 11311131253. The next prime is 11311131311. The reversal of 11311131300 is 313111311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11311131300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101844 + ... + 181643.

Almost surely, 2^11311131300 is an apocalyptic number.

11311131300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11311131300 is an abundant number, since it is smaller than the sum of its proper divisors (28059682140).

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

11311131300 is a wasteful number, since it uses less digits than its factorization.

11311131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283530 (or 283523 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 11311131300 its reverse (313111311), we get a palindrome (11624242611).

The spelling of 11311131300 in words is "eleven billion, three hundred eleven million, one hundred thirty-one thousand, three hundred".