2231302303221 has 16 divisors (see below), whose sum is σ = 3043780787520. Its totient is φ = 1453412263680.

The previous prime is 2231302303211. The next prime is 2231302303229. The reversal of 2231302303221 is 1223032031322.

It is not a de Polignac number, because 2231302303221 - 2⁹ = 2231302302709 is a prime.

It is a super-3 number, since 3×2231302303221³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231302303191 and 2231302303200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231302303229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29076511 + ... + 29153148.

It is an arithmetic number, because the mean of its divisors is an integer number (190236299220).

Almost surely, 2^{2231302303221} is an apocalyptic number.

It is an amenable number.

2231302303221 is a deficient number, since it is larger than the sum of its proper divisors (812478484299).

2231302303221 is a wasteful number, since it uses less digits than its factorization.

2231302303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58229956.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 2231302303221 its reverse (1223032031322), we get a palindrome (3454334334543).

The spelling of 2231302303221 in words is "two trillion, two hundred thirty-one billion, three hundred two million, three hundred three thousand, two hundred twenty-one".