242142030431 has 8 divisors (see below), whose sum is σ = 276824774304. Its totient is φ = 207482042880.

The previous prime is 242142030407. The next prime is 242142030439. The reversal of 242142030431 is 134030241242.

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

It is not a de Polignac number, because 242142030431 - 2¹⁰ = 242142029407 is a prime.

It is a super-2 number, since 2×242142030431² (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 242142030431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242142030439) 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, 5666270 + ... + 5708843.

It is an arithmetic number, because the mean of its divisors is an integer number (34603096788).

Almost surely, 2^242142030431 is an apocalyptic number.

242142030431 is a deficient number, since it is larger than the sum of its proper divisors (34682743873).

242142030431 is a wasteful number, since it uses less digits than its factorization.

242142030431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11378161.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 242142030431 its reverse (134030241242), we get a palindrome (376172271673).

The spelling of 242142030431 in words is "two hundred forty-two billion, one hundred forty-two million, thirty thousand, four hundred thirty-one".