143122313213 has 16 divisors (see below), whose sum is σ = 164408408640. Its totient is φ = 123220166400.

The previous prime is 143122313197. The next prime is 143122313219. The reversal of 143122313213 is 312313221341.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 143122313213 - 2⁴ = 143122313197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143122313219) 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, 487283 + ... + 723663.

It is an arithmetic number, because the mean of its divisors is an integer number (10275525540).

Almost surely, 2^143122313213 is an apocalyptic number.

It is an amenable number.

143122313213 is a deficient number, since it is larger than the sum of its proper divisors (21286095427).

143122313213 is a wasteful number, since it uses less digits than its factorization.

143122313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239308.

The product of its digits is 2592, while the sum is 26.

Adding to 143122313213 its reverse (312313221341), we get a palindrome (455435534554).

The spelling of 143122313213 in words is "one hundred forty-three billion, one hundred twenty-two million, three hundred thirteen thousand, two hundred thirteen".