243015104231 has 8 divisors (see below), whose sum is σ = 254200990560. Its totient is φ = 231880885632.

The previous prime is 243015104209. The next prime is 243015104243. The reversal of 243015104231 is 132401510342.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243015104231 is a prime.

It is a super-2 number, since 2×243015104231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243015104231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243015104131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12907310 + ... + 12926123.

It is an arithmetic number, because the mean of its divisors is an integer number (31775123820).

Almost surely, 2^243015104231 is an apocalyptic number.

243015104231 is a deficient number, since it is larger than the sum of its proper divisors (11185886329).

243015104231 is a wasteful number, since it uses less digits than its factorization.

243015104231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25833865.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 243015104231 its reverse (132401510342), we get a palindrome (375416614573).

The spelling of 243015104231 in words is "two hundred forty-three billion, fifteen million, one hundred four thousand, two hundred thirty-one".