243531036412 has 12 divisors (see below), whose sum is σ = 426898001376. Its totient is φ = 121560178880.

The previous prime is 243531036407. The next prime is 243531036421. The reversal of 243531036412 is 214630135342.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51332164 + ... + 51336907.

It is an arithmetic number, because the mean of its divisors is an integer number (35574833448).

Almost surely, 2^243531036412 is an apocalyptic number.

It is an amenable number.

243531036412 is a deficient number, since it is larger than the sum of its proper divisors (183366964964).

243531036412 is a wasteful number, since it uses less digits than its factorization.

243531036412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102669668 (or 102669666 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 243531036412 in words is "two hundred forty-three billion, five hundred thirty-one million, thirty-six thousand, four hundred twelve".