213232113 has 12 divisors (see below), whose sum is σ = 309848448. Its totient is φ = 141302520.

The previous prime is 213232067. The next prime is 213232127. The reversal of 213232113 is 311232312.

It is not a de Polignac number, because 213232113 - 2⁶ = 213232049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213232133) 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, 69433 + ... + 72438.

It is an arithmetic number, because the mean of its divisors is an integer number (25820704).

Almost surely, 2^213232113 is an apocalyptic number.

It is an amenable number.

213232113 is a deficient number, since it is larger than the sum of its proper divisors (96616335).

213232113 is a wasteful number, since it uses less digits than its factorization.

213232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142044 (or 142041 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 213232113 is about 14602.4694144518. The cubic root of 213232113 is about 597.4261159904.

Adding to 213232113 its reverse (311232312), we get a palindrome (524464425).

It can be divided in two parts, 21323 and 2113, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 213232113 in words is "two hundred thirteen million, two hundred thirty-two thousand, one hundred thirteen".