2231331013231 has 8 divisors (see below), whose sum is σ = 2236559889200. Its totient is φ = 2226102486912.

The previous prime is 2231331013229. The next prime is 2231331013283. The reversal of 2231331013231 is 1323101331322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2231331013231 - 2¹ = 2231331013229 is a prime.

It is a super-3 number, since 3×2231331013231³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2231331013196 and 2231331013205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231331023231) 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 7 ways as a sum of consecutive naturals, for example, 16255321 + ... + 16392013.

It is an arithmetic number, because the mean of its divisors is an integer number (279569986150).

Almost surely, 2^{2231331013231} is an apocalyptic number.

2231331013231 is a deficient number, since it is larger than the sum of its proper divisors (5228875969).

2231331013231 is a wasteful number, since it uses less digits than its factorization.

2231331013231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174825.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2231331013231 its reverse (1323101331322), we get a palindrome (3554432344553).

The spelling of 2231331013231 in words is "two trillion, two hundred thirty-one billion, three hundred thirty-one million, thirteen thousand, two hundred thirty-one".