11102000031 has 12 divisors (see below), whose sum is σ = 16275569752. Its totient is φ = 7290865296.

The previous prime is 11102000027. The next prime is 11102000033. The reversal of 11102000031 is 13000020111.

It is not a de Polignac number, because 11102000031 - 2² = 11102000027 is a prime.

It is a super-2 number, since 2×11102000031² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11101999977 and 11102000022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102000033) 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, 9205036 + ... + 9206241.

Almost surely, 2^11102000031 is an apocalyptic number.

11102000031 is a deficient number, since it is larger than the sum of its proper divisors (5173569721).

11102000031 is a wasteful number, since it uses less digits than its factorization.

11102000031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18411350 (or 18411347 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 11102000031 its reverse (13000020111), we get a palindrome (24102020142).

The spelling of 11102000031 in words is "eleven billion, one hundred two million, thirty-one", and thus it is an aban number.