213410231 has 12 divisors (see below), whose sum is σ = 233505936. Its totient is φ = 194362560.

The previous prime is 213410203. The next prime is 213410233. The reversal of 213410231 is 132014312.

It is not a de Polignac number, because 213410231 - 2²² = 209215927 is a prime.

It is a super-2 number, since 2×213410231² = 91087853390946722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213410233) 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, 9806 + ... + 22868.

It is an arithmetic number, because the mean of its divisors is an integer number (19458828).

Almost surely, 2^213410231 is an apocalyptic number.

213410231 is a deficient number, since it is larger than the sum of its proper divisors (20095705).

213410231 is a wasteful number, since it uses less digits than its factorization.

213410231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13142 (or 13111 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 213410231 is about 14608.5670412946. The cubic root of 213410231 is about 597.5924179099.

Adding to 213410231 its reverse (132014312), we get a palindrome (345424543).

The spelling of 213410231 in words is "two hundred thirteen million, four hundred ten thousand, two hundred thirty-one".