100031113112 has 96 divisors (see below), whose sum is σ = 227815707600. Its totient is φ = 41004843264.

The previous prime is 100031113051. The next prime is 100031113177. The reversal of 100031113112 is 211311130001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1175258 + ... + 1257494.

Almost surely, 2^100031113112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100031113112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113907853800).

100031113112 is an abundant number, since it is smaller than the sum of its proper divisors (127784594488).

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

100031113112 is a wasteful number, since it uses less digits than its factorization.

100031113112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82393 (or 82382 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 100031113112 its reverse (211311130001), we get a palindrome (311342243113).

The spelling of 100031113112 in words is "one hundred billion, thirty-one million, one hundred thirteen thousand, one hundred twelve".