331313331222211 has 4 divisors (see below), whose sum is σ = 356798972085472. Its totient is φ = 305827690358952.

The previous prime is 331313331222191. The next prime is 331313331222221. The reversal of 331313331222211 is 112222133313133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331313331222211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331313331222221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12742820431611 + ... + 12742820431636.

It is an arithmetic number, because the mean of its divisors is an integer number (89199743021368).

Almost surely, 2^{331313331222211} is an apocalyptic number.

331313331222211 is a deficient number, since it is larger than the sum of its proper divisors (25485640863261).

331313331222211 is a wasteful number, since it uses less digits than its factorization.

331313331222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25485640863260.

The product of its digits is 11664, while the sum is 31.

Adding to 331313331222211 its reverse (112222133313133), we get a palindrome (443535464535344).

The spelling of 331313331222211 in words is "three hundred thirty-one trillion, three hundred thirteen billion, three hundred thirty-one million, two hundred twenty-two thousand, two hundred eleven".