213130541 has 8 divisors (see below), whose sum is σ = 237440280. Its totient is φ = 189951552.

The previous prime is 213130537. The next prime is 213130573. The reversal of 213130541 is 145031312.

213130541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9954025 + 203176516 = 3155^2 + 14254^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213130541 - 2² = 213130537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213130501) 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, 282290 + ... + 283043.

It is an arithmetic number, because the mean of its divisors is an integer number (29680035).

Almost surely, 2^213130541 is an apocalyptic number.

It is an amenable number.

213130541 is a deficient number, since it is larger than the sum of its proper divisors (24309739).

213130541 is a wasteful number, since it uses less digits than its factorization.

213130541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565375.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 213130541 is about 14598.9910952778. The cubic root of 213130541 is about 597.3312406575.

Adding to 213130541 its reverse (145031312), we get a palindrome (358161853).

The spelling of 213130541 in words is "two hundred thirteen million, one hundred thirty thousand, five hundred forty-one".