213115040210 has 64 divisors (see below), whose sum is σ = 406834293600. Its totient is φ = 80235724800.

The previous prime is 213115040183. The next prime is 213115040213. The reversal of 213115040210 is 12040511312.

It can be written as a sum of positive squares in 16 ways, for example, as 1037290849 + 212077749361 = 32207^2 + 460519^2 .

It is not an unprimeable number, because it can be changed into a prime (213115040213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16746650 + ... + 16759370.

Almost surely, 2^213115040210 is an apocalyptic number.

213115040210 is a deficient number, since it is larger than the sum of its proper divisors (193719253390).

213115040210 is a wasteful number, since it uses less digits than its factorization.

213115040210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14207.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 213115040210 its reverse (12040511312), we get a palindrome (225155551522).

The spelling of 213115040210 in words is "two hundred thirteen billion, one hundred fifteen million, forty thousand, two hundred ten".