1304501515313 has 2 divisors, whose sum is σ = 1304501515314. Its totient is φ = 1304501515312.

The previous prime is 1304501515297. The next prime is 1304501515321. The reversal of 1304501515313 is 3135151054031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1265933268769 + 38568246544 = 1125137^2 + 196388^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304501515313 - 2⁴ = 1304501515297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1304501515313.

It is not a weakly prime, because it can be changed into another prime (1304501515363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652250757656 + 652250757657.

It is an arithmetic number, because the mean of its divisors is an integer number (652250757657).

Almost surely, 2^{1304501515313} is an apocalyptic number.

It is an amenable number.

1304501515313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304501515313 is an equidigital number, since it uses as much as digits as its factorization.

1304501515313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 1304501515313 its reverse (3135151054031), we get a palindrome (4439652569344).

The spelling of 1304501515313 in words is "one trillion, three hundred four billion, five hundred one million, five hundred fifteen thousand, three hundred thirteen".