100531024 has 20 divisors (see below), whose sum is σ = 212486400. Its totient is φ = 45695840.

The previous prime is 100531009. The next prime is 100531037. The reversal of 100531024 is 420135001.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 100530989 and 100531007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285424 + ... + 285775.

It is an arithmetic number, because the mean of its divisors is an integer number (10624320).

Almost surely, 2^100531024 is an apocalyptic number.

It is an amenable number.

100531024 is an abundant number, since it is smaller than the sum of its proper divisors (111955376).

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

100531024 is a wasteful number, since it uses less digits than its factorization.

100531024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571218 (or 571212 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 100531024 is about 10026.5160449680. The cubic root of 100531024 is about 464.9790316980.

Adding to 100531024 its reverse (420135001), we get a palindrome (520666025).

The spelling of 100531024 in words is "one hundred million, five hundred thirty-one thousand, twenty-four".