213115000 has 80 divisors (see below), whose sum is σ = 570754800. Its totient is φ = 73056000.

The previous prime is 213114991. The next prime is 213115013. The reversal of 213115000 is 511312.

213115000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31956 + ... + 38044.

It is an arithmetic number, because the mean of its divisors is an integer number (7134435).

Almost surely, 2^213115000 is an apocalyptic number.

213115000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213115000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285377400).

213115000 is an abundant number, since it is smaller than the sum of its proper divisors (357639800).

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

213115000 is an equidigital number, since it uses as much as digits as its factorization.

213115000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6122 (or 6103 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 213115000 is about 14598.4588227662. The cubic root of 213115000 is about 597.3167216207.

Adding to 213115000 its reverse (511312), we get a palindrome (213626312).

The spelling of 213115000 in words is "two hundred thirteen million, one hundred fifteen thousand".