2231230212031 has 2 divisors, whose sum is σ = 2231230212032. Its totient is φ = 2231230212030.

The previous prime is 2231230212023. The next prime is 2231230212047. The reversal of 2231230212031 is 1302120321322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2231230212031 - 2³ = 2231230212023 is a prime.

It is a super-3 number, since 3×2231230212031³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2231230211993 and 2231230212011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231230212931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115615106015 + 1115615106016.

It is an arithmetic number, because the mean of its divisors is an integer number (1115615106016).

Almost surely, 2^{2231230212031} is an apocalyptic number.

2231230212031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231230212031 is an equidigital number, since it uses as much as digits as its factorization.

2231230212031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2231230212031 its reverse (1302120321322), we get a palindrome (3533350533353).

The spelling of 2231230212031 in words is "two trillion, two hundred thirty-one billion, two hundred thirty million, two hundred twelve thousand, thirty-one".