213433141 has 4 divisors (see below), whose sum is σ = 214550784. Its totient is φ = 212315500.

The previous prime is 213433139. The next prime is 213433151. The reversal of 213433141 is 141334312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213433141 - 2¹ = 213433139 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 (213433111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558535 + ... + 558916.

It is an arithmetic number, because the mean of its divisors is an integer number (53637696).

Almost surely, 2^213433141 is an apocalyptic number.

It is an amenable number.

213433141 is a deficient number, since it is larger than the sum of its proper divisors (1117643).

213433141 is a wasteful number, since it uses less digits than its factorization.

213433141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117642.

The product of its digits is 864, while the sum is 22.

The square root of 213433141 is about 14609.3511491784. The cubic root of 213433141 is about 597.6138013777.

Adding to 213433141 its reverse (141334312), we get a palindrome (354767453).

The spelling of 213433141 in words is "two hundred thirteen million, four hundred thirty-three thousand, one hundred forty-one".