213643130 has 16 divisors (see below), whose sum is σ = 391076640. Its totient is φ = 84008592.

The previous prime is 213643127. The next prime is 213643207. The reversal of 213643130 is 31346312.

213643130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213643096 and 213643105.

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, 180464 + ... + 181643.

It is an arithmetic number, because the mean of its divisors is an integer number (24442290).

Almost surely, 2^213643130 is an apocalyptic number.

213643130 is a deficient number, since it is larger than the sum of its proper divisors (177433510).

213643130 is a wasteful number, since it uses less digits than its factorization.

213643130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362173.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 213643130 is about 14616.5361833781. The cubic root of 213643130 is about 597.8097272005.

Adding to 213643130 its reverse (31346312), we get a palindrome (244989442).

The spelling of 213643130 in words is "two hundred thirteen million, six hundred forty-three thousand, one hundred thirty".