213510030 has 64 divisors (see below), whose sum is σ = 546013440. Its totient is φ = 53277696.

The previous prime is 213510013. The next prime is 213510107. The reversal of 213510030 is 30015312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 213509991 and 213510009.

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 31 ways as a sum of consecutive naturals, for example, 45054 + ... + 49566.

It is an arithmetic number, because the mean of its divisors is an integer number (8531460).

Almost surely, 2^213510030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213510030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273006720).

213510030 is an abundant number, since it is smaller than the sum of its proper divisors (332503410).

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

213510030 is a wasteful number, since it uses less digits than its factorization.

213510030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4625.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 213510030 is about 14611.9824117058. The cubic root of 213510030 is about 597.6855559494.

Adding to 213510030 its reverse (30015312), we get a palindrome (243525342).

The spelling of 213510030 in words is "two hundred thirteen million, five hundred ten thousand, thirty".