213302161 has 8 divisors (see below), whose sum is σ = 222888384. Its totient is φ = 203742000.

The previous prime is 213302143. The next prime is 213302171. The reversal of 213302161 is 161203312.

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 213302161 - 2²¹ = 211205009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213302101) 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, 11286 + ... + 23536.

It is an arithmetic number, because the mean of its divisors is an integer number (27861048).

Almost surely, 2^213302161 is an apocalyptic number.

It is an amenable number.

213302161 is a deficient number, since it is larger than the sum of its proper divisors (9586223).

213302161 is a wasteful number, since it uses less digits than its factorization.

213302161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13031.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 213302161 is about 14604.8677159364. The cubic root of 213302161 is about 597.4915281561.

Adding to 213302161 its reverse (161203312), we get a palindrome (374505473).

The spelling of 213302161 in words is "two hundred thirteen million, three hundred two thousand, one hundred sixty-one".