112031100 has 90 divisors (see below), whose sum is σ = 363186824. Its totient is φ = 29872800.

The previous prime is 112031093. The next prime is 112031107. The reversal of 112031100 is 1130211.

It is an interprime number because it is at equal distance from previous prime (112031093) and next prime (112031107).

It is a tau number, because it is divible by the number of its divisors (90).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112031107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1185 + ... + 15015.

Almost surely, 2^112031100 is an apocalyptic number.

112031100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112031100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181593412).

112031100 is an abundant number, since it is smaller than the sum of its proper divisors (251155724).

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

112031100 is a wasteful number, since it uses less digits than its factorization.

112031100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13857 (or 13841 counting only the distinct ones).

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

The square root of 112031100 is about 10584.4744791605. The cubic root of 112031100 is about 482.0730650301.

Adding to 112031100 its reverse (1130211), we get a palindrome (113161311).

The spelling of 112031100 in words is "one hundred twelve million, thirty-one thousand, one hundred".