243130212334 has 4 divisors (see below), whose sum is σ = 364695318504. Its totient is φ = 121565106166.

The previous prime is 243130212307. The next prime is 243130212337. The reversal of 243130212334 is 433212031342.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 433212031342 = 2 ⋅216606015671.

It is a super-2 number, since 2×243130212334² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243130212337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60782553082 + ... + 60782553085.

It is an arithmetic number, because the mean of its divisors is an integer number (91173829626).

Almost surely, 2^243130212334 is an apocalyptic number.

243130212334 is a deficient number, since it is larger than the sum of its proper divisors (121565106170).

243130212334 is a wasteful number, since it uses less digits than its factorization.

243130212334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121565106169.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 243130212334 its reverse (433212031342), we get a palindrome (676342243676).

The spelling of 243130212334 in words is "two hundred forty-three billion, one hundred thirty million, two hundred twelve thousand, three hundred thirty-four".