242120543313 has 32 divisors (see below), whose sum is σ = 353047034880. Its totient is φ = 146376901440.

The previous prime is 242120543281. The next prime is 242120543323. The reversal of 242120543313 is 313345021242.

It is not a de Polignac number, because 242120543313 - 2⁵ = 242120543281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242120543323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33122703 + ... + 33130011.

It is an arithmetic number, because the mean of its divisors is an integer number (11032719840).

Almost surely, 2^242120543313 is an apocalyptic number.

It is an amenable number.

242120543313 is a deficient number, since it is larger than the sum of its proper divisors (110926491567).

242120543313 is a wasteful number, since it uses less digits than its factorization.

242120543313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9669.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 242120543313 its reverse (313345021242), we get a palindrome (555465564555).

The spelling of 242120543313 in words is "two hundred forty-two billion, one hundred twenty million, five hundred forty-three thousand, three hundred thirteen".