213220333031331 has 8 divisors (see below), whose sum is σ = 286201789304400. Its totient is φ = 141192882722912.

The previous prime is 213220333031227. The next prime is 213220333031333. The reversal of 213220333031331 is 133130333022312.

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 213220333031331 - 2⁹ = 213220333030819 is a prime.

It is a super-2 number, since 2×213220333031331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213220333031333) 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, 238501490640 + ... + 238501491533.

It is an arithmetic number, because the mean of its divisors is an integer number (35775223663050).

Almost surely, 2^{213220333031331} is an apocalyptic number.

213220333031331 is a deficient number, since it is larger than the sum of its proper divisors (72981456273069).

213220333031331 is a wasteful number, since it uses less digits than its factorization.

213220333031331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477002982325.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 213220333031331 its reverse (133130333022312), we get a palindrome (346350666053643).

The spelling of 213220333031331 in words is "two hundred thirteen trillion, two hundred twenty billion, three hundred thirty-three million, thirty-one thousand, three hundred thirty-one".