243131524342 has 32 divisors (see below), whose sum is σ = 444019564800. Its totient is φ = 97525708128.

The previous prime is 243131524327. The next prime is 243131524381. The reversal of 243131524342 is 243425131342.

It is a super-2 number, since 2×243131524342² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243131524298 and 243131524307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5484117 + ... + 5528272.

It is an arithmetic number, because the mean of its divisors is an integer number (13875611400).

Almost surely, 2^243131524342 is an apocalyptic number.

243131524342 is a deficient number, since it is larger than the sum of its proper divisors (200888040458).

243131524342 is a wasteful number, since it uses less digits than its factorization.

243131524342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11012500.

The product of its digits is 69120, while the sum is 34.

Adding to 243131524342 its reverse (243425131342), we get a palindrome (486556655684).

The spelling of 243131524342 in words is "two hundred forty-three billion, one hundred thirty-one million, five hundred twenty-four thousand, three hundred forty-two".