213241630 has 24 divisors (see below), whose sum is σ = 446502888. Its totient is φ = 73111248.

The previous prime is 213241607. The next prime is 213241643. The reversal of 213241630 is 36142312.

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 11 ways as a sum of consecutive naturals, for example, 217104 + ... + 218083.

It is an arithmetic number, because the mean of its divisors is an integer number (18604287).

Almost surely, 2^213241630 is an apocalyptic number.

213241630 is an abundant number, since it is smaller than the sum of its proper divisors (233261258).

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

213241630 is a wasteful number, since it uses less digits than its factorization.

213241630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435208 (or 435201 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 213241630 is about 14602.7952803564. The cubic root of 213241630 is about 597.4350039884.

Adding to 213241630 its reverse (36142312), we get a palindrome (249383942).

The spelling of 213241630 in words is "two hundred thirteen million, two hundred forty-one thousand, six hundred thirty".