311332131112211 has 4 divisors (see below), whose sum is σ = 339635052122424. Its totient is φ = 283029210102000.

The previous prime is 311332131112201. The next prime is 311332131112231. The reversal of 311332131112211 is 112211131233113.

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

It is a cyclic number.

It is not a de Polignac number, because 311332131112211 - 2¹⁴ = 311332131095827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311332131112201) 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, 14151460505090 + ... + 14151460505111.

It is an arithmetic number, because the mean of its divisors is an integer number (84908763030606).

Almost surely, 2^{311332131112211} is an apocalyptic number.

311332131112211 is a deficient number, since it is larger than the sum of its proper divisors (28302921010213).

311332131112211 is a wasteful number, since it uses less digits than its factorization.

311332131112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28302921010212.

The product of its digits is 648, while the sum is 26.

Adding to 311332131112211 its reverse (112211131233113), we get a palindrome (423543262345324).

The spelling of 311332131112211 in words is "three hundred eleven trillion, three hundred thirty-two billion, one hundred thirty-one million, one hundred twelve thousand, two hundred eleven".