13312241313457 has 2 divisors, whose sum is σ = 13312241313458. Its totient is φ = 13312241313456.

The previous prime is 13312241313401. The next prime is 13312241313461. The reversal of 13312241313457 is 75431314221331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12770109513841 + 542131799616 = 3573529^2 + 736296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13312241313457 is a prime.

It is a super-2 number, since 2×13312241313457² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13312241313257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656120656728 + 6656120656729.

It is an arithmetic number, because the mean of its divisors is an integer number (6656120656729).

Almost surely, 2^{13312241313457} is an apocalyptic number.

It is an amenable number.

13312241313457 is a deficient number, since it is larger than the sum of its proper divisors (1).

13312241313457 is an equidigital number, since it uses as much as digits as its factorization.

13312241313457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

Adding to 13312241313457 its reverse (75431314221331), we get a palindrome (88743555534788).

The spelling of 13312241313457 in words is "thirteen trillion, three hundred twelve billion, two hundred forty-one million, three hundred thirteen thousand, four hundred fifty-seven".