213040210 has 16 divisors (see below), whose sum is σ = 387058176. Its totient is φ = 84419248.

The previous prime is 213040193. The next prime is 213040211. The reversal of 213040210 is 12040312.

213040210 = T₁₁₉₁₆ + T₁₁₉₁₇ + T₁₁₉₁₈.

213040210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213040210² = 90772262153688200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213040211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98482 + ... + 100621.

It is an arithmetic number, because the mean of its divisors is an integer number (24191136).

Almost surely, 2^213040210 is an apocalyptic number.

213040210 is the 11918-th centered triangular number.

213040210 is a deficient number, since it is larger than the sum of its proper divisors (174017966).

213040210 is a wasteful number, since it uses less digits than its factorization.

213040210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199217.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 213040210 is about 14595.8970262194. The cubic root of 213040210 is about 597.2468398754.

Adding to 213040210 its reverse (12040312), we get a palindrome (225080522).

The spelling of 213040210 in words is "two hundred thirteen million, forty thousand, two hundred ten".