243431230342 has 8 divisors (see below), whose sum is σ = 384365100600. Its totient is φ = 115309530144.

The previous prime is 243431230333. The next prime is 243431230369. The reversal of 243431230342 is 243032134342.

It is a happy number.

243431230342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×243431230342² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3203042467 + ... + 3203042542.

It is an arithmetic number, because the mean of its divisors is an integer number (48045637575).

Almost surely, 2^243431230342 is an apocalyptic number.

243431230342 is a deficient number, since it is larger than the sum of its proper divisors (140933870258).

243431230342 is a wasteful number, since it uses less digits than its factorization.

243431230342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406085030.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 243431230342 its reverse (243032134342), we get a palindrome (486463364684).

The spelling of 243431230342 in words is "two hundred forty-three billion, four hundred thirty-one million, two hundred thirty thousand, three hundred forty-two".