143311229209 has 2 divisors, whose sum is σ = 143311229210. Its totient is φ = 143311229208.

The previous prime is 143311229141. The next prime is 143311229351. The reversal of 143311229209 is 902922113341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128766145600 + 14545083609 = 358840^2 + 120603^2 .

It is a cyclic number.

It is not a de Polignac number, because 143311229209 - 2¹⁹ = 143310704921 is a prime.

It is not a weakly prime, because it can be changed into another prime (143311239209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71655614604 + 71655614605.

It is an arithmetic number, because the mean of its divisors is an integer number (71655614605).

Almost surely, 2^143311229209 is an apocalyptic number.

It is an amenable number.

143311229209 is a deficient number, since it is larger than the sum of its proper divisors (1).

143311229209 is an equidigital number, since it uses as much as digits as its factorization.

143311229209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 143311229209 in words is "one hundred forty-three billion, three hundred eleven million, two hundred twenty-nine thousand, two hundred nine".