242132124431 has 4 divisors (see below), whose sum is σ = 256375190592. Its totient is φ = 227889058272.

The previous prime is 242132124401. The next prime is 242132124497. The reversal of 242132124431 is 134421231242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242132124431 is a prime.

It is a super-2 number, since 2×242132124431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 242132124394 and 242132124403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242132124401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7121533055 + ... + 7121533088.

It is an arithmetic number, because the mean of its divisors is an integer number (64093797648).

Almost surely, 2^242132124431 is an apocalyptic number.

242132124431 is a deficient number, since it is larger than the sum of its proper divisors (14243066161).

242132124431 is a wasteful number, since it uses less digits than its factorization.

242132124431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14243066160.

The product of its digits is 9216, while the sum is 29.

Adding to 242132124431 its reverse (134421231242), we get a palindrome (376553355673).

The spelling of 242132124431 in words is "two hundred forty-two billion, one hundred thirty-two million, one hundred twenty-four thousand, four hundred thirty-one".