1303130143 has 16 divisors (see below), whose sum is σ = 1578976000. Its totient is φ = 1050553152.

The previous prime is 1303130137. The next prime is 1303130149. The reversal of 1303130143 is 3410313031.

It is an interprime number because it is at equal distance from previous prime (1303130137) and next prime (1303130149).

It is a cyclic number.

It is not a de Polignac number, because 1303130143 - 2¹³ = 1303121951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1303130143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303130149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16758 + ... + 53731.

It is an arithmetic number, because the mean of its divisors is an integer number (98686000).

Almost surely, 2^1303130143 is an apocalyptic number.

1303130143 is a deficient number, since it is larger than the sum of its proper divisors (275845857).

1303130143 is a wasteful number, since it uses less digits than its factorization.

1303130143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70654.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1303130143 is about 36098.8939304240. The cubic root of 1303130143 is about 1092.2681337271.

Adding to 1303130143 its reverse (3410313031), we get a palindrome (4713443174).

The spelling of 1303130143 in words is "one billion, three hundred three million, one hundred thirty thousand, one hundred forty-three".