1344343313513 has 2 divisors, whose sum is σ = 1344343313514. Its totient is φ = 1344343313512.

The previous prime is 1344343313477. The next prime is 1344343313519. The reversal of 1344343313513 is 3153133434431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 805958653504 + 538384660009 = 897752^2 + 733747^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344343313513 - 2¹⁸ = 1344343051369 is a prime.

It is a super-2 number, since 2×1344343313513² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1344343313519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672171656756 + 672171656757.

It is an arithmetic number, because the mean of its divisors is an integer number (672171656757).

Almost surely, 2^{1344343313513} is an apocalyptic number.

It is an amenable number.

1344343313513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344343313513 is an equidigital number, since it uses as much as digits as its factorization.

1344343313513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 38.

Adding to 1344343313513 its reverse (3153133434431), we get a palindrome (4497476747944).

The spelling of 1344343313513 in words is "one trillion, three hundred forty-four billion, three hundred forty-three million, three hundred thirteen thousand, five hundred thirteen".