1313103529 has 2 divisors, whose sum is σ = 1313103530. Its totient is φ = 1313103528.

The previous prime is 1313103527. The next prime is 1313103551. The reversal of 1313103529 is 9253013131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1250329600 + 62773929 = 35360^2 + 7923^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313103529 - 2¹ = 1313103527 is a prime.

Together with 1313103527, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1313103497 and 1313103506.

It is not a weakly prime, because it can be changed into another prime (1313103527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656551764 + 656551765.

It is an arithmetic number, because the mean of its divisors is an integer number (656551765).

Almost surely, 2^1313103529 is an apocalyptic number.

It is an amenable number.

1313103529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313103529 is an equidigital number, since it uses as much as digits as its factorization.

1313103529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 1313103529 is about 36236.7703996921. The cubic root of 1313103529 is about 1095.0475793703.

The spelling of 1313103529 in words is "one billion, three hundred thirteen million, one hundred three thousand, five hundred twenty-nine".