2231132331111 has 16 divisors (see below), whose sum is σ = 3070873064448. Its totient is φ = 1439408678400.

The previous prime is 2231132330857. The next prime is 2231132331193. The reversal of 2231132331111 is 1111332311322.

It is not a de Polignac number, because 2231132331111 - 2²³ = 2231123942503 is a prime.

It is a super-3 number, since 3×2231132331111³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231132331611) 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 15 ways as a sum of consecutive naturals, for example, 4458676 + ... + 4933766.

It is an arithmetic number, because the mean of its divisors is an integer number (191929566528).

Almost surely, 2^{2231132331111} is an apocalyptic number.

2231132331111 is a deficient number, since it is larger than the sum of its proper divisors (839740733337).

2231132331111 is a wasteful number, since it uses less digits than its factorization.

2231132331111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525622.

The product of its digits is 648, while the sum is 24.

Adding to 2231132331111 its reverse (1111332311322), we get a palindrome (3342464642433).

The spelling of 2231132331111 in words is "two trillion, two hundred thirty-one billion, one hundred thirty-two million, three hundred thirty-one thousand, one hundred eleven".