2231111333311 has 8 divisors (see below), whose sum is σ = 2609140164224. Its totient is φ = 1867907162520.

The previous prime is 2231111333291. The next prime is 2231111333351. The reversal of 2231111333311 is 1133331111322.

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

It is not a de Polignac number, because 2231111333311 - 2¹⁵ = 2231111300543 is a prime.

It is a super-3 number, since 3×2231111333311³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231111333351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3706164705 + ... + 3706165306.

It is an arithmetic number, because the mean of its divisors is an integer number (326142520528).

Almost surely, 2^{2231111333311} is an apocalyptic number.

2231111333311 is a deficient number, since it is larger than the sum of its proper divisors (378028830913).

2231111333311 is an equidigital number, since it uses as much as digits as its factorization.

2231111333311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7412330061.

The product of its digits is 972, while the sum is 25.

Adding to 2231111333311 its reverse (1133331111322), we get a palindrome (3364442444633).

The spelling of 2231111333311 in words is "two trillion, two hundred thirty-one billion, one hundred eleven million, three hundred thirty-three thousand, three hundred eleven".