213130424 has 16 divisors (see below), whose sum is σ = 430359720. Its totient is φ = 98367840.

The previous prime is 213130409. The next prime is 213130433. The reversal of 213130424 is 424031312.

It is a junction number, because it is equal to n+sod(n) for n = 213130396 and 213130405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024562 + ... + 1024769.

Almost surely, 2^213130424 is an apocalyptic number.

It is an amenable number.

213130424 is an abundant number, since it is smaller than the sum of its proper divisors (217229296).

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

213130424 is a wasteful number, since it uses less digits than its factorization.

213130424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049350 (or 2049346 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 213130424 is about 14598.9870881510. The cubic root of 213130424 is about 597.3311313539.

Adding to 213130424 its reverse (424031312), we get a palindrome (637161736).

The spelling of 213130424 in words is "two hundred thirteen million, one hundred thirty thousand, four hundred twenty-four".