1313425603313 has 2 divisors, whose sum is σ = 1313425603314. Its totient is φ = 1313425603312.

The previous prime is 1313425603307. The next prime is 1313425603411. The reversal of 1313425603313 is 3133065243131.

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., 1138941452944 + 174484150369 = 1067212^2 + 417713^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313425603313 - 2²⁶ = 1313358494449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1313425605313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656712801656 + 656712801657.

It is an arithmetic number, because the mean of its divisors is an integer number (656712801657).

Almost surely, 2^{1313425603313} is an apocalyptic number.

It is an amenable number.

1313425603313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313425603313 is an equidigital number, since it uses as much as digits as its factorization.

1313425603313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 35.

The spelling of 1313425603313 in words is "one trillion, three hundred thirteen billion, four hundred twenty-five million, six hundred three thousand, three hundred thirteen".