3111231332213 has 8 divisors (see below), whose sum is σ = 3120845750880. Its totient is φ = 3101624310960.

The previous prime is 3111231332179. The next prime is 3111231332263. The reversal of 3111231332213 is 3122331321113.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3111231332213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111231332263) 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, 1006295 + ... + 2689812.

It is an arithmetic number, because the mean of its divisors is an integer number (390105718860).

Almost surely, 2^{3111231332213} is an apocalyptic number.

It is an amenable number.

3111231332213 is a deficient number, since it is larger than the sum of its proper divisors (9614418667).

3111231332213 is a wasteful number, since it uses less digits than its factorization.

3111231332213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698707.

The product of its digits is 1944, while the sum is 26.

Adding to 3111231332213 its reverse (3122331321113), we get a palindrome (6233562653326).

The spelling of 3111231332213 in words is "three trillion, one hundred eleven billion, two hundred thirty-one million, three hundred thirty-two thousand, two hundred thirteen".