2231323540000 has 60 divisors (see below), whose sum is σ = 5489390656134. Its totient is φ = 892529408000.

The previous prime is 2231323539989. The next prime is 2231323540021. The reversal of 2231323540000 is 453231322.

It can be written as a sum of positive squares in 5 ways, for example, as 75864990096 + 2155458549904 = 275436^2 + 1468148^2 .

It is a super-3 number, since 3×2231323540000³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55763089 + ... + 55803088.

Almost surely, 2^{2231323540000} is an apocalyptic number.

2231323540000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231323540000 is an abundant number, since it is smaller than the sum of its proper divisors (3258067116134).

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

2231323540000 is an equidigital number, since it uses as much as digits as its factorization.

2231323540000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111566207 (or 111566184 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 2231323540000 its reverse (453231322), we get a palindrome (2231776771322).

The spelling of 2231323540000 in words is "two trillion, two hundred thirty-one billion, three hundred twenty-three million, five hundred forty thousand".