243134343431302 has 8 divisors (see below), whose sum is σ = 364769064990000. Its totient is φ = 121544655101304.

The previous prime is 243134343431267. The next prime is 243134343431321. The reversal of 243134343431302 is 203134343431342.

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

It is a super-2 number, since 2×243134343431302² (a number of 30 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11258293677 + ... + 11258315272.

It is an arithmetic number, because the mean of its divisors is an integer number (45596133123750).

Almost surely, 2^{243134343431302} is an apocalyptic number.

243134343431302 is a deficient number, since it is larger than the sum of its proper divisors (121634721558698).

243134343431302 is a wasteful number, since it uses less digits than its factorization.

243134343431302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22516614350.

The product of its (nonzero) digits is 746496, while the sum is 40.

Adding to 243134343431302 its sum of digits (40), we get a palindrome (243134343431342).

Adding to 243134343431302 its reverse (203134343431342), we get a palindrome (446268686862644).

The spelling of 243134343431302 in words is "two hundred forty-three trillion, one hundred thirty-four billion, three hundred forty-three million, four hundred thirty-one thousand, three hundred two".