2231302001281 has 2 divisors, whose sum is σ = 2231302001282. Its totient is φ = 2231302001280.

The previous prime is 2231302001231. The next prime is 2231302001297. The reversal of 2231302001281 is 1821002031322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2027548166400 + 203753834881 = 1423920^2 + 451391^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231302001281 - 2⁹ = 2231302000769 is a prime.

It is a super-3 number, since 3×2231302001281³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2231302001221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115651000640 + 1115651000641.

It is an arithmetic number, because the mean of its divisors is an integer number (1115651000641).

Almost surely, 2^{2231302001281} is an apocalyptic number.

It is an amenable number.

2231302001281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231302001281 is an equidigital number, since it uses as much as digits as its factorization.

2231302001281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 2231302001281 in words is "two trillion, two hundred thirty-one billion, three hundred two million, one thousand, two hundred eighty-one".