2231321033120 has 48 divisors (see below), whose sum is σ = 5301967081320. Its totient is φ = 887369278464.

The previous prime is 2231321033113. The next prime is 2231321033243. The reversal of 2231321033120 is 213301231322.

It can be written as a sum of positive squares in 4 ways, for example, as 2215060702864 + 16260330256 = 1488308^2 + 127516^2 .

It is a super-3 number, since 3×2231321033120³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40277975 + ... + 40333334.

Almost surely, 2^{2231321033120} is an apocalyptic number.

2231321033120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231321033120 is an abundant number, since it is smaller than the sum of its proper divisors (3070646048200).

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

2231321033120 is a wasteful number, since it uses less digits than its factorization.

2231321033120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80611497 (or 80611489 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2231321033120 its reverse (213301231322), we get a palindrome (2444622264442).

The spelling of 2231321033120 in words is "two trillion, two hundred thirty-one billion, three hundred twenty-one million, thirty-three thousand, one hundred twenty".