213113141 has 8 divisors (see below), whose sum is σ = 222416280. Its totient is φ = 203940352.

The previous prime is 213113137. The next prime is 213113143. The reversal of 213113141 is 141311312.

It can be written as a sum of positive squares in 4 ways, for example, as 24462916 + 188650225 = 4946^2 + 13735^2 .

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 213113141 - 2² = 213113137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213113143) 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, 29240 + ... + 35793.

It is an arithmetic number, because the mean of its divisors is an integer number (27802035).

Almost surely, 2^213113141 is an apocalyptic number.

It is an amenable number.

213113141 is a deficient number, since it is larger than the sum of its proper divisors (9303139).

213113141 is a wasteful number, since it uses less digits than its factorization.

213113141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65175.

The product of its digits is 72, while the sum is 17.

The square root of 213113141 is about 14598.3951515226. The cubic root of 213113141 is about 597.3149848198.

Adding to 213113141 its reverse (141311312), we get a palindrome (354424453).

The spelling of 213113141 in words is "two hundred thirteen million, one hundred thirteen thousand, one hundred forty-one".