213331065 has 8 divisors (see below), whose sum is σ = 341329728. Its totient is φ = 113776560.

The previous prime is 213331061. The next prime is 213331099. The reversal of 213331065 is 560133312.

It is a happy number.

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

It is not a de Polignac number, because 213331065 - 2² = 213331061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213331061) 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, 7111021 + ... + 7111050.

It is an arithmetic number, because the mean of its divisors is an integer number (42666216).

Almost surely, 2^213331065 is an apocalyptic number.

It is an amenable number.

213331065 is a deficient number, since it is larger than the sum of its proper divisors (127998663).

213331065 is a wasteful number, since it uses less digits than its factorization.

213331065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14222079.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 213331065 is about 14605.8572155146. The cubic root of 213331065 is about 597.5185150918.

Adding to 213331065 its reverse (560133312), we get a palindrome (773464377).

The spelling of 213331065 in words is "two hundred thirteen million, three hundred thirty-one thousand, sixty-five".