143130313 has 2 divisors, whose sum is σ = 143130314. Its totient is φ = 143130312.

The previous prime is 143130307. The next prime is 143130329. The reversal of 143130313 is 313031341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130256569 + 12873744 = 11413^2 + 3588^2 .

It is a cyclic number.

It is not a de Polignac number, because 143130313 - 2²¹ = 141033161 is a prime.

It is not a weakly prime, because it can be changed into another prime (143130343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71565156 + 71565157.

It is an arithmetic number, because the mean of its divisors is an integer number (71565157).

Almost surely, 2^143130313 is an apocalyptic number.

It is an amenable number.

143130313 is a deficient number, since it is larger than the sum of its proper divisors (1).

143130313 is an equidigital number, since it uses as much as digits as its factorization.

143130313 is an evil number, because the sum of its binary digits is even.

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

The square root of 143130313 is about 11963.7081626058. The cubic root of 143130313 is about 523.0909507711.

Adding to 143130313 its reverse (313031341), we get a palindrome (456161654).

The spelling of 143130313 in words is "one hundred forty-three million, one hundred thirty thousand, three hundred thirteen".