213102441 has 16 divisors (see below), whose sum is σ = 316360000. Its totient is φ = 141774624.

The previous prime is 213102437. The next prime is 213102443. The reversal of 213102441 is 144201312.

213102441 is a `hidden beast` number, since 213 + 10 + 2 + 441 = 666.

It is not a de Polignac number, because 213102441 - 2² = 213102437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213102443) 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 15 ways as a sum of consecutive naturals, for example, 5565 + ... + 21381.

It is an arithmetic number, because the mean of its divisors is an integer number (19772500).

Almost surely, 2^213102441 is an apocalyptic number.

It is an amenable number.

213102441 is a deficient number, since it is larger than the sum of its proper divisors (103257559).

213102441 is a wasteful number, since it uses less digits than its factorization.

213102441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16325 (or 16319 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 213102441 is about 14598.0286682826. The cubic root of 213102441 is about 597.3049879745.

Adding to 213102441 its reverse (144201312), we get a palindrome (357303753).

The spelling of 213102441 in words is "two hundred thirteen million, one hundred two thousand, four hundred forty-one".