243034043132331 has 48 divisors (see below), whose sum is σ = 395761405312000. Its totient is φ = 147292060584240.

The previous prime is 243034043132329. The next prime is 243034043132383. The reversal of 243034043132331 is 133231340430342.

243034043132331 is a `hidden beast` number, since 2 + 4 + 3 + 0 + 3 + 4 + 0 + 4 + 313 + 2 + 331 = 666.

It is not a de Polignac number, because 243034043132331 - 2¹ = 243034043132329 is a prime.

It is a super-2 number, since 2×243034043132331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243034043132831) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 476096370 + ... + 476606568.

Almost surely, 2^{243034043132331} is an apocalyptic number.

243034043132331 is a deficient number, since it is larger than the sum of its proper divisors (152727362179669).

243034043132331 is a wasteful number, since it uses less digits than its factorization.

243034043132331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656037 (or 656020 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 36.

Adding to 243034043132331 its reverse (133231340430342), we get a palindrome (376265383562673).

The spelling of 243034043132331 in words is "two hundred forty-three trillion, thirty-four billion, forty-three million, one hundred thirty-two thousand, three hundred thirty-one".