242054665215231 has 16 divisors (see below), whose sum is σ = 372790072631808. Its totient is φ = 138070397270400.

The previous prime is 242054665215179. The next prime is 242054665215263. The reversal of 242054665215231 is 132512566450242.

It is not a de Polignac number, because 242054665215231 - 2²² = 242054661020927 is a prime.

It is a super-2 number, since 2×242054665215231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242054665215031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215734995175 + ... + 215734996296.

It is an arithmetic number, because the mean of its divisors is an integer number (23299379539488).

Almost surely, 2^{242054665215231} is an apocalyptic number.

242054665215231 is a deficient number, since it is larger than the sum of its proper divisors (130735407416577).

242054665215231 is a wasteful number, since it uses less digits than its factorization.

242054665215231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431469991502.

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 242054665215231 in words is "two hundred forty-two trillion, fifty-four billion, six hundred sixty-five million, two hundred fifteen thousand, two hundred thirty-one".