11131031032 has 24 divisors (see below), whose sum is σ = 22940505000. Its totient is φ = 5059559120.

The previous prime is 11131031011. The next prime is 11131031039. The reversal of 11131031032 is 23013013111.

It is a junction number, because it is equal to n+sod(n) for n = 11131030997 and 11131031015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131031039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5748532 + ... + 5750467.

It is an arithmetic number, because the mean of its divisors is an integer number (955854375).

Almost surely, 2^11131031032 is an apocalyptic number.

It is an amenable number.

11131031032 is an abundant number, since it is smaller than the sum of its proper divisors (11809473968).

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

11131031032 is a wasteful number, since it uses less digits than its factorization.

11131031032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11499027 (or 11499012 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11131031032 its reverse (23013013111), we get a palindrome (34144044143).

The spelling of 11131031032 in words is "eleven billion, one hundred thirty-one million, thirty-one thousand, thirty-two".