2231323540001 has 4 divisors (see below), whose sum is σ = 2233163049492. Its totient is φ = 2229484030512.

The previous prime is 2231323539989. The next prime is 2231323540021. The reversal of 2231323540001 is 1000453231322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 664322803600 + 1567000736401 = 815060^2 + 1251799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231323540001 is a prime.

It is a super-3 number, since 3×2231323540001³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231323540021) 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, 919752926 + ... + 919755351.

It is an arithmetic number, because the mean of its divisors is an integer number (558290762373).

Almost surely, 2^{2231323540001} is an apocalyptic number.

It is an amenable number.

2231323540001 is a deficient number, since it is larger than the sum of its proper divisors (1839509491).

2231323540001 is a wasteful number, since it uses less digits than its factorization.

2231323540001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839509490.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 2231323540001 its reverse (1000453231322), we get a palindrome (3231776771323).

The spelling of 2231323540001 in words is "two trillion, two hundred thirty-one billion, three hundred twenty-three million, five hundred forty thousand, one".