213165030 has 64 divisors (see below), whose sum is σ = 552464640. Its totient is φ = 52327296.

The previous prime is 213165011. The next prime is 213165041. The reversal of 213165030 is 30561312.

213165030 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 = 213164988 and 213165006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240969 + ... + 241851.

It is an arithmetic number, because the mean of its divisors is an integer number (8632260).

Almost surely, 2^213165030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213165030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276232320).

213165030 is an abundant number, since it is smaller than the sum of its proper divisors (339299610).

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

213165030 is a wasteful number, since it uses less digits than its factorization.

213165030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 213165030 is about 14600.1722592578. The cubic root of 213165030 is about 597.3634591684.

It can be divided in two parts, 2131 and 65030, that added together give a triangular number (67161 = T₃₆₆).

The spelling of 213165030 in words is "two hundred thirteen million, one hundred sixty-five thousand, thirty".