100031124 has 24 divisors (see below), whose sum is σ = 245691040. Its totient is φ = 31588704.

The previous prime is 100031101. The next prime is 100031159. The reversal of 100031124 is 421130001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219139 + ... + 219594.

Almost surely, 2^100031124 is an apocalyptic number.

It is an amenable number.

100031124 is an abundant number, since it is smaller than the sum of its proper divisors (145659916).

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

100031124 is a wasteful number, since it uses less digits than its factorization.

100031124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438759 (or 438757 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 100031124 is about 10001.5560789309. The cubic root of 100031124 is about 464.2070333032.

Adding to 100031124 its reverse (421130001), we get a palindrome (521161125).

The spelling of 100031124 in words is "one hundred million, thirty-one thousand, one hundred twenty-four".