1313143063 has 2 divisors, whose sum is σ = 1313143064. Its totient is φ = 1313143062.

The previous prime is 1313143057. The next prime is 1313143093. The reversal of 1313143063 is 3603413131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313143063 - 2¹⁷ = 1313011991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313143093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656571531 + 656571532.

It is an arithmetic number, because the mean of its divisors is an integer number (656571532).

Almost surely, 2^1313143063 is an apocalyptic number.

1313143063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313143063 is an equidigital number, since it uses as much as digits as its factorization.

1313143063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 1313143063 is about 36237.3158912191. The cubic root of 1313143063 is about 1095.0585689015.

Adding to 1313143063 its reverse (3603413131), we get a palindrome (4916556194).

The spelling of 1313143063 in words is "one billion, three hundred thirteen million, one hundred forty-three thousand, sixty-three".