243313245131 has 8 divisors (see below), whose sum is σ = 268060678128. Its totient is φ = 219003820000.

The previous prime is 243313245121. The next prime is 243313245199. The reversal of 243313245131 is 131542313342.

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

It is a cyclic number.

It is not a de Polignac number, because 243313245131 - 2¹⁴ = 243313228747 is a prime.

It is a super-2 number, since 2×243313245131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243313245101) 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, 109500800 + ... + 109503021.

It is an arithmetic number, because the mean of its divisors is an integer number (33507584766).

Almost surely, 2^243313245131 is an apocalyptic number.

243313245131 is a deficient number, since it is larger than the sum of its proper divisors (24747432997).

243313245131 is a wasteful number, since it uses less digits than its factorization.

243313245131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219003933.

The product of its digits is 25920, while the sum is 32.

Adding to 243313245131 its reverse (131542313342), we get a palindrome (374855558473).

The spelling of 243313245131 in words is "two hundred forty-three billion, three hundred thirteen million, two hundred forty-five thousand, one hundred thirty-one".