1313102143 has 2 divisors, whose sum is σ = 1313102144. Its totient is φ = 1313102142.

The previous prime is 1313102071. The next prime is 1313102201. The reversal of 1313102143 is 3412013131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1313102143 - 2⁹ = 1313101631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1313102143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313102543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656551071 + 656551072.

It is an arithmetic number, because the mean of its divisors is an integer number (656551072).

Almost surely, 2^1313102143 is an apocalyptic number.

1313102143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313102143 is an equidigital number, since it uses as much as digits as its factorization.

1313102143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1313102143 is about 36236.7512754662. The cubic root of 1313102143 is about 1095.0471940906.

Adding to 1313102143 its reverse (3412013131), we get a palindrome (4725115274).

The spelling of 1313102143 in words is "one billion, three hundred thirteen million, one hundred two thousand, one hundred forty-three".