243441066631 has 96 divisors (see below), whose sum is σ = 316911329280. Its totient is φ = 182407680000.

The previous prime is 243441066599. The next prime is 243441066683. The reversal of 243441066631 is 136660144342.

It is not a de Polignac number, because 243441066631 - 2⁵ = 243441066599 is a prime.

It is a super-2 number, since 2×243441066631² (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 (243441066431) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 324155506 + ... + 324156256.

It is an arithmetic number, because the mean of its divisors is an integer number (3301159680).

Almost surely, 2^243441066631 is an apocalyptic number.

243441066631 is a deficient number, since it is larger than the sum of its proper divisors (73470262649).

243441066631 is a wasteful number, since it uses less digits than its factorization.

243441066631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 243441066631 in words is "two hundred forty-three billion, four hundred forty-one million, sixty-six thousand, six hundred thirty-one".