100002031112 has 16 divisors (see below), whose sum is σ = 187647950700. Its totient is φ = 49962577600.

The previous prime is 100002031097. The next prime is 100002031117. The reversal of 100002031112 is 211130200001.

It can be written as a sum of positive squares in 2 ways, for example, as 70546547236 + 29455483876 = 265606^2 + 171626^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100002031093 and 100002031102.

It is not an unprimeable number, because it can be changed into a prime (100002031117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4793687 + ... + 4814502.

Almost surely, 2^100002031112 is an apocalyptic number.

It is an amenable number.

100002031112 is a deficient number, since it is larger than the sum of its proper divisors (87645919588).

100002031112 is a wasteful number, since it uses less digits than its factorization.

100002031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9609496 (or 9609492 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 100002031112 its reverse (211130200001), we get a palindrome (311132231113).

The spelling of 100002031112 in words is "one hundred billion, two million, thirty-one thousand, one hundred twelve".