143011313 has 2 divisors, whose sum is σ = 143011314. Its totient is φ = 143011312.

The previous prime is 143011303. The next prime is 143011343. The reversal of 143011313 is 313110341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120846049 + 22165264 = 10993^2 + 4708^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143011313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143011291 and 143011300.

It is not a weakly prime, because it can be changed into another prime (143011303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71505656 + 71505657.

It is an arithmetic number, because the mean of its divisors is an integer number (71505657).

Almost surely, 2^143011313 is an apocalyptic number.

It is an amenable number.

143011313 is a deficient number, since it is larger than the sum of its proper divisors (1).

143011313 is an equidigital number, since it uses as much as digits as its factorization.

143011313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 143011313 is about 11958.7337540393. The cubic root of 143011313 is about 522.9459428620.

Adding to 143011313 its reverse (313110341), we get a palindrome (456121654).

The spelling of 143011313 in words is "one hundred forty-three million, eleven thousand, three hundred thirteen".