213513430 has 32 divisors (see below), whose sum is σ = 427246848. Its totient is φ = 76291200.

The previous prime is 213513407. The next prime is 213513491. The reversal of 213513430 is 34315312.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22461 + ... + 30520.

It is an arithmetic number, because the mean of its divisors is an integer number (13351464).

Almost surely, 2^213513430 is an apocalyptic number.

213513430 is an abundant number, since it is smaller than the sum of its proper divisors (213733418).

213513430 is a wasteful number, since it uses less digits than its factorization.

213513430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53032.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 213513430 is about 14612.0987541147. The cubic root of 213513430 is about 597.6887285094.

Adding to 213513430 its reverse (34315312), we get a palindrome (247828742).

The spelling of 213513430 in words is "two hundred thirteen million, five hundred thirteen thousand, four hundred thirty".