11200031131 has 8 divisors (see below), whose sum is σ = 11477554704. Its totient is φ = 10922714880.

The previous prime is 11200031123. The next prime is 11200031147. The reversal of 11200031131 is 13113000211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11200031131 - 2³ = 11200031123 is a prime.

It is a super-2 number, since 2×11200031131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11200031191) 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 7 ways as a sum of consecutive naturals, for example, 60531 + ... + 161443.

It is an arithmetic number, because the mean of its divisors is an integer number (1434694338).

Almost surely, 2^11200031131 is an apocalyptic number.

11200031131 is a deficient number, since it is larger than the sum of its proper divisors (277523573).

11200031131 is a wasteful number, since it uses less digits than its factorization.

11200031131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103661.

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

Adding to 11200031131 its reverse (13113000211), we get a palindrome (24313031342).

The spelling of 11200031131 in words is "eleven billion, two hundred million, thirty-one thousand, one hundred thirty-one".