243055031412 has 48 divisors (see below), whose sum is σ = 576904993280. Its totient is φ = 79627201632.

The previous prime is 243055031369. The next prime is 243055031419. The reversal of 243055031412 is 214130550342.

It is a self number, because there is not a number n which added to its sum of digits gives 243055031412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243055031419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8643 + ... + 697269.

Almost surely, 2^243055031412 is an apocalyptic number.

It is an amenable number.

243055031412 is an abundant number, since it is smaller than the sum of its proper divisors (333849961868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243055031412 is a wasteful number, since it uses less digits than its factorization.

243055031412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689140 (or 689138 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 243055031412 its reverse (214130550342), we get a palindrome (457185581754).

The spelling of 243055031412 in words is "two hundred forty-three billion, fifty-five million, thirty-one thousand, four hundred twelve".