2231351132666 has 8 divisors (see below), whose sum is σ = 3373381240320. Its totient is φ = 1106890719228.

The previous prime is 2231351132663. The next prime is 2231351132671. The reversal of 2231351132666 is 6662311531322.

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

It is a super-3 number, since 3×2231351132666³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2231351132663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4392423236 + ... + 4392423743.

It is an arithmetic number, because the mean of its divisors is an integer number (421672655040).

Almost surely, 2^{2231351132666} is an apocalyptic number.

2231351132666 is a deficient number, since it is larger than the sum of its proper divisors (1142030107654).

2231351132666 is a wasteful number, since it uses less digits than its factorization.

2231351132666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8784847108.

The product of its digits is 233280, while the sum is 41.

Adding to 2231351132666 its reverse (6662311531322), we get a palindrome (8893662663988).

The spelling of 2231351132666 in words is "two trillion, two hundred thirty-one billion, three hundred fifty-one million, one hundred thirty-two thousand, six hundred sixty-six".