242042443031 has 16 divisors (see below), whose sum is σ = 264414758400. Its totient is φ = 220684312800.

The previous prime is 242042442997. The next prime is 242042443043. The reversal of 242042443031 is 130344240242.

It is a cyclic number.

It is not a de Polignac number, because 242042443031 - 2¹⁰ = 242042442007 is a prime.

It is a super-2 number, since 2×242042443031² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242042442985 and 242042443003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242042443081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534875 + ... + 877596.

It is an arithmetic number, because the mean of its divisors is an integer number (16525922400).

Almost surely, 2^242042443031 is an apocalyptic number.

242042443031 is a deficient number, since it is larger than the sum of its proper divisors (22372315369).

242042443031 is a wasteful number, since it uses less digits than its factorization.

242042443031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412830.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 242042443031 its reverse (130344240242), we get a palindrome (372386683273).

The spelling of 242042443031 in words is "two hundred forty-two billion, forty-two million, four hundred forty-three thousand, thirty-one".