2231322011312 has 20 divisors (see below), whose sum is σ = 4357227238656. Its totient is φ = 1106876272320.

The previous prime is 2231322011311. The next prime is 2231322011329. The reversal of 2231322011312 is 2131102231322.

It is a super-3 number, since 3×2231322011312³ (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 (2231322011311) 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, 549043739 + ... + 549047802.

Almost surely, 2^{2231322011312} is an apocalyptic number.

It is an amenable number.

2231322011312 is a deficient number, since it is larger than the sum of its proper divisors (2125905227344).

2231322011312 is a wasteful number, since it uses less digits than its factorization.

2231322011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098091676 (or 1098091670 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2231322011312 its reverse (2131102231322), we get a palindrome (4362424242634).

The spelling of 2231322011312 in words is "two trillion, two hundred thirty-one billion, three hundred twenty-two million, eleven thousand, three hundred twelve".