143313313243 has 4 divisors (see below), whose sum is σ = 143681728320. Its totient is φ = 142944898168.

The previous prime is 143313313229. The next prime is 143313313277. The reversal of 143313313243 is 342313313341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143313313243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143313310243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184206955 + ... + 184207732.

It is an arithmetic number, because the mean of its divisors is an integer number (35920432080).

Almost surely, 2^143313313243 is an apocalyptic number.

143313313243 is a deficient number, since it is larger than the sum of its proper divisors (368415077).

143313313243 is an equidigital number, since it uses as much as digits as its factorization.

143313313243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368415076.

The product of its digits is 23328, while the sum is 31.

Adding to 143313313243 its reverse (342313313341), we get a palindrome (485626626584).

The spelling of 143313313243 in words is "one hundred forty-three billion, three hundred thirteen million, three hundred thirteen thousand, two hundred forty-three".