242442131543 has 8 divisors (see below), whose sum is σ = 253325443200. Its totient is φ = 231587349048.

The previous prime is 242442131513. The next prime is 242442131567. The reversal of 242442131543 is 345131244242.

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

It is not a de Polignac number, because 242442131543 - 2¹⁴ = 242442115159 is a prime.

It is a super-2 number, since 2×242442131543² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242442131513) 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, 7114913 + ... + 7148906.

It is an arithmetic number, because the mean of its divisors is an integer number (31665680400).

Almost surely, 2^242442131543 is an apocalyptic number.

242442131543 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

242442131543 is a deficient number, since it is larger than the sum of its proper divisors (10883311657).

242442131543 is a wasteful number, since it uses less digits than its factorization.

242442131543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14264581.

The product of its digits is 92160, while the sum is 35.

Adding to 242442131543 its reverse (345131244242), we get a palindrome (587573375785).

The spelling of 242442131543 in words is "two hundred forty-two billion, four hundred forty-two million, one hundred thirty-one thousand, five hundred forty-three".