331312120011311 has 8 divisors (see below), whose sum is σ = 342736894484400. Its totient is φ = 319887360112320.

The previous prime is 331312120011287. The next prime is 331312120011349. The reversal of 331312120011311 is 113110021213133.

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-331312120011311 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 (331312120019311) 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, 63709091 + ... + 68712971.

It is an arithmetic number, because the mean of its divisors is an integer number (42842111810550).

Almost surely, 2^{331312120011311} is an apocalyptic number.

331312120011311 is a deficient number, since it is larger than the sum of its proper divisors (11424774473089).

331312120011311 is a wasteful number, since it uses less digits than its factorization.

331312120011311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7287049.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 331312120011311 its reverse (113110021213133), we get a palindrome (444422141224444).

The spelling of 331312120011311 in words is "three hundred thirty-one trillion, three hundred twelve billion, one hundred twenty million, eleven thousand, three hundred eleven".