13331311231297 has 2 divisors, whose sum is σ = 13331311231298. Its totient is φ = 13331311231296.

The previous prime is 13331311231283. The next prime is 13331311231333. The reversal of 13331311231297 is 79213211313331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11333699301136 + 1997611930161 = 3366556^2 + 1413369^2 .

It is a cyclic number.

It is not a de Polignac number, because 13331311231297 - 2¹⁹ = 13331310707009 is a prime.

It is not a weakly prime, because it can be changed into another prime (13331311231247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6665655615648 + 6665655615649.

It is an arithmetic number, because the mean of its divisors is an integer number (6665655615649).

Almost surely, 2^{13331311231297} is an apocalyptic number.

It is an amenable number.

13331311231297 is a deficient number, since it is larger than the sum of its proper divisors (1).

13331311231297 is an equidigital number, since it uses as much as digits as its factorization.

13331311231297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 40.

The spelling of 13331311231297 in words is "thirteen trillion, three hundred thirty-one billion, three hundred eleven million, two hundred thirty-one thousand, two hundred ninety-seven".