213103024 has 40 divisors (see below), whose sum is σ = 442136880. Its totient is φ = 99145728.

The previous prime is 213103003. The next prime is 213103039. The reversal of 213103024 is 420301312.

It is a happy number.

213103024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 213102989 and 213103007.

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, 19807 + ... + 28609.

It is an arithmetic number, because the mean of its divisors is an integer number (11053422).

Almost surely, 2^213103024 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 213103024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221068440).

213103024 is an abundant number, since it is smaller than the sum of its proper divisors (229033856).

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

213103024 is a wasteful number, since it uses less digits than its factorization.

213103024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8917 (or 8911 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 213103024 is about 14598.0486367185. The cubic root of 213103024 is about 597.3055326710.

Adding to 213103024 its reverse (420301312), we get a palindrome (633404336).

The spelling of 213103024 in words is "two hundred thirteen million, one hundred three thousand, twenty-four".