4330143231242 has 4 divisors (see below), whose sum is σ = 6495214846866. Its totient is φ = 2165071615620.

The previous prime is 4330143231233. The next prime is 4330143231247. The reversal of 4330143231242 is 2421323410334.

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

It can be written as a sum of positive squares in only one way, i.e., 3464292510121 + 865850721121 = 1861261^2 + 930511^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4330143231199 and 4330143231208.

It is not an unprimeable number, because it can be changed into a prime (4330143231247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082535807809 + ... + 1082535807812.

Almost surely, 2^{4330143231242} is an apocalyptic number.

4330143231242 is a deficient number, since it is larger than the sum of its proper divisors (2165071615624).

4330143231242 is a wasteful number, since it uses less digits than its factorization.

4330143231242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165071615623.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 4330143231242 its reverse (2421323410334), we get a palindrome (6751466641576).

The spelling of 4330143231242 in words is "four trillion, three hundred thirty billion, one hundred forty-three million, two hundred thirty-one thousand, two hundred forty-two".