242045530231 has 4 divisors (see below), whose sum is σ = 242201791000. Its totient is φ = 241889269464.

The previous prime is 242045530229. The next prime is 242045530277. The reversal of 242045530231 is 132035540242.

242045530231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132035540242 = 2 ⋅66017770121.

It is a cyclic number.

It is not a de Polignac number, because 242045530231 - 2¹ = 242045530229 is a prime.

It is a super-2 number, since 2×242045530231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242045530193 and 242045530202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242045530201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78128061 + ... + 78131158.

It is an arithmetic number, because the mean of its divisors is an integer number (60550447750).

Almost surely, 2^242045530231 is an apocalyptic number.

242045530231 is a deficient number, since it is larger than the sum of its proper divisors (156260769).

242045530231 is a wasteful number, since it uses less digits than its factorization.

242045530231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156260768.

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 242045530231 in words is "two hundred forty-two billion, forty-five million, five hundred thirty thousand, two hundred thirty-one".