213181050 has 96 divisors (see below), whose sum is σ = 551643264. Its totient is φ = 54432000.

The previous prime is 213181039. The next prime is 213181051. The reversal of 213181050 is 50181312.

It is not an unprimeable number, because it can be changed into a prime (213181051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 393780 + ... + 394320.

It is an arithmetic number, because the mean of its divisors is an integer number (5746284).

Almost surely, 2^213181050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213181050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275821632).

213181050 is an abundant number, since it is smaller than the sum of its proper divisors (338462214).

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

213181050 is a wasteful number, since it uses less digits than its factorization.

213181050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 213181050 is about 14600.7208726145. The cubic root of 213181050 is about 597.3784233535.

The spelling of 213181050 in words is "two hundred thirteen million, one hundred eighty-one thousand, fifty".