2231305643312 has 40 divisors (see below), whose sum is σ = 4587014448000. Its totient is φ = 1047834002432.

The previous prime is 2231305643209. The next prime is 2231305643317. The reversal of 2231305643312 is 2133465031322.

It is a super-3 number, since 3×2231305643312³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231305643317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8432687 + ... + 8693262.

It is an arithmetic number, because the mean of its divisors is an integer number (114675361200).

Almost surely, 2^{2231305643312} is an apocalyptic number.

It is an amenable number.

2231305643312 is an abundant number, since it is smaller than the sum of its proper divisors (2355708804688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231305643312 is a wasteful number, since it uses less digits than its factorization.

2231305643312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17126453 (or 17126447 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 2231305643312 in words is "two trillion, two hundred thirty-one billion, three hundred five million, six hundred forty-three thousand, three hundred twelve".