2231231231297 has 2 divisors, whose sum is σ = 2231231231298. Its totient is φ = 2231231231296.

The previous prime is 2231231231231. The next prime is 2231231231321. The reversal of 2231231231297 is 7921321321322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1782908585536 + 448322645761 = 1335256^2 + 669569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231231231297 is a prime.

It is a super-3 number, since 3×2231231231297³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231231231297.

It is not a weakly prime, because it can be changed into another prime (2231231231497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115615615648 + 1115615615649.

It is an arithmetic number, because the mean of its divisors is an integer number (1115615615649).

Almost surely, 2^{2231231231297} is an apocalyptic number.

It is an amenable number.

2231231231297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231231231297 is an equidigital number, since it uses as much as digits as its factorization.

2231231231297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The spelling of 2231231231297 in words is "two trillion, two hundred thirty-one billion, two hundred thirty-one million, two hundred thirty-one thousand, two hundred ninety-seven".