213103641 has 8 divisors (see below), whose sum is σ = 293304064. Its totient is φ = 137486160.

The previous prime is 213103613. The next prime is 213103643. The reversal of 213103641 is 146301312.

213103641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 213103641 - 2¹⁴ = 213087257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213103643) 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, 1145626 + ... + 1145811.

It is an arithmetic number, because the mean of its divisors is an integer number (36663008).

Almost surely, 2^213103641 is an apocalyptic number.

It is an amenable number.

213103641 is a deficient number, since it is larger than the sum of its proper divisors (80200423).

213103641 is a wasteful number, since it uses less digits than its factorization.

213103641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291471.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 213103641 is about 14598.0697696648. The cubic root of 213103641 is about 597.3061091327.

Adding to 213103641 its reverse (146301312), we get a palindrome (359404953).

The spelling of 213103641 in words is "two hundred thirteen million, one hundred three thousand, six hundred forty-one".