213341131 has 4 divisors (see below), whose sum is σ = 217880352. Its totient is φ = 208801912.

The previous prime is 213341111. The next prime is 213341147. The reversal of 213341131 is 131143312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213341131 - 2⁹ = 213340619 is a prime.

It is a super-2 number, since 2×213341131² = 91028876352718322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213341099 and 213341108.

It is not an unprimeable number, because it can be changed into a prime (213341111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2269540 + ... + 2269633.

It is an arithmetic number, because the mean of its divisors is an integer number (54470088).

Almost surely, 2^213341131 is an apocalyptic number.

213341131 is a deficient number, since it is larger than the sum of its proper divisors (4539221).

213341131 is an equidigital number, since it uses as much as digits as its factorization.

213341131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539220.

The product of its digits is 216, while the sum is 19.

The square root of 213341131 is about 14606.2017992358. The cubic root of 213341131 is about 597.5279128898.

Adding to 213341131 its reverse (131143312), we get a palindrome (344484443).

It can be divided in two parts, 2133 and 41131, that added together give a square (43264 = 208²).

The spelling of 213341131 in words is "two hundred thirteen million, three hundred forty-one thousand, one hundred thirty-one".