1313211132341 has 2 divisors, whose sum is σ = 1313211132342. Its totient is φ = 1313211132340.

The previous prime is 1313211132227. The next prime is 1313211132397. The reversal of 1313211132341 is 1432311123131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1212057874225 + 101153258116 = 1100935^2 + 318046^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313211132341 - 2²² = 1313206938037 is a prime.

It is a super-2 number, since 2×1313211132341² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1313211132341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313211131341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656605566170 + 656605566171.

It is an arithmetic number, because the mean of its divisors is an integer number (656605566171).

Almost surely, 2^{1313211132341} is an apocalyptic number.

It is an amenable number.

1313211132341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313211132341 is an equidigital number, since it uses as much as digits as its factorization.

1313211132341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

Adding to 1313211132341 its reverse (1432311123131), we get a palindrome (2745522255472).

The spelling of 1313211132341 in words is "one trillion, three hundred thirteen billion, two hundred eleven million, one hundred thirty-two thousand, three hundred forty-one".