242131123531757 has 8 divisors (see below), whose sum is σ = 242174435891136. Its totient is φ = 242087814495072.

The previous prime is 242131123531753. The next prime is 242131123531807. The reversal of 242131123531757 is 757135321131242.

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 242131123531757 - 2² = 242131123531753 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242131123531753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147279758 + ... + 148914704.

It is an arithmetic number, because the mean of its divisors is an integer number (30271804486392).

Almost surely, 2^{242131123531757} is an apocalyptic number.

It is an amenable number.

242131123531757 is a deficient number, since it is larger than the sum of its proper divisors (43312359379).

242131123531757 is a wasteful number, since it uses less digits than its factorization.

242131123531757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661347.

The product of its digits is 1058400, while the sum is 47.

Adding to 242131123531757 its reverse (757135321131242), we get a palindrome (999266444662999).

The spelling of 242131123531757 in words is "two hundred forty-two trillion, one hundred thirty-one billion, one hundred twenty-three million, five hundred thirty-one thousand, seven hundred fifty-seven".