11200103031 has 12 divisors (see below), whose sum is σ = 16170563688. Its totient is φ = 6892370784.

The previous prime is 11200103003. The next prime is 11200103129. The reversal of 11200103031 is 13030100211.

It is not a de Polignac number, because 11200103031 - 2⁶ = 11200102967 is a prime.

It is a super-2 number, since 2×11200103031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11200102998 and 11200103016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200103731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11044960 + ... + 11045973.

It is an arithmetic number, because the mean of its divisors is an integer number (1347546974).

Almost surely, 2^11200103031 is an apocalyptic number.

11200103031 is a deficient number, since it is larger than the sum of its proper divisors (4970460657).

11200103031 is a wasteful number, since it uses less digits than its factorization.

11200103031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22090962 (or 22090949 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11200103031 its reverse (13030100211), we get a palindrome (24230203242).

The spelling of 11200103031 in words is "eleven billion, two hundred million, one hundred three thousand, thirty-one".