213315050 has 24 divisors (see below), whose sum is σ = 427287756. Its totient is φ = 78762240.

The previous prime is 213315049. The next prime is 213315059. The reversal of 213315050 is 50513312.

It can be written as a sum of positive squares in 6 ways, for example, as 75463969 + 137851081 = 8687^2 + 11741^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213315059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163439 + ... + 164738.

Almost surely, 2^213315050 is an apocalyptic number.

213315050 is an abundant number, since it is smaller than the sum of its proper divisors (213972706).

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

213315050 is a wasteful number, since it uses less digits than its factorization.

213315050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328202 (or 328197 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 213315050 is about 14605.3089662629. The cubic root of 213315050 is about 597.5035625915.

Adding to 213315050 its reverse (50513312), we get a palindrome (263828362).

The spelling of 213315050 in words is "two hundred thirteen million, three hundred fifteen thousand, fifty".