1313430143 has 2 divisors, whose sum is σ = 1313430144. Its totient is φ = 1313430142.

The previous prime is 1313430137. The next prime is 1313430193. The reversal of 1313430143 is 3410343131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313430143 - 2¹⁰ = 1313429119 is a prime.

It is a super-4 number, since 4×1313430143⁴ (a number of 38 digits) contains 4444 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313430113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656715071 + 656715072.

It is an arithmetic number, because the mean of its divisors is an integer number (656715072).

Almost surely, 2^1313430143 is an apocalyptic number.

1313430143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313430143 is an equidigital number, since it uses as much as digits as its factorization.

1313430143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1313430143 is about 36241.2767849037. The cubic root of 1313430143 is about 1095.1383638394.

Adding to 1313430143 its reverse (3410343131), we get a palindrome (4723773274).

The spelling of 1313430143 in words is "one billion, three hundred thirteen million, four hundred thirty thousand, one hundred forty-three".