243013110131 has 48 divisors (see below), whose sum is σ = 283450212864. Its totient is φ = 207752160000.

The previous prime is 243013110103. The next prime is 243013110133. The reversal of 243013110131 is 131011310342.

It is a de Polignac number, because none of the positive numbers 2^k-243013110131 is a prime.

It is a super-3 number, since 3×243013110131³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243013110133) 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, 79233260 + ... + 79236326.

It is an arithmetic number, because the mean of its divisors is an integer number (5905212768).

Almost surely, 2^243013110131 is an apocalyptic number.

243013110131 is a deficient number, since it is larger than the sum of its proper divisors (40437102733).

243013110131 is a wasteful number, since it uses less digits than its factorization.

243013110131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584 (or 3573 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 243013110131 its reverse (131011310342), we get a palindrome (374024420473).

The spelling of 243013110131 in words is "two hundred forty-three billion, thirteen million, one hundred ten thousand, one hundred thirty-one".