242240303031 has 4 divisors (see below), whose sum is σ = 322987070712. Its totient is φ = 161493535352.

The previous prime is 242240303023. The next prime is 242240303051. The reversal of 242240303031 is 130303042242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242240303031 - 2³ = 242240303023 is a prime.

It is a super-2 number, since 2×242240303031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242240302992 and 242240303010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242240303021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40373383836 + ... + 40373383841.

It is an arithmetic number, because the mean of its divisors is an integer number (80746767678).

Almost surely, 2^242240303031 is an apocalyptic number.

242240303031 is a deficient number, since it is larger than the sum of its proper divisors (80746767681).

242240303031 is an equidigital number, since it uses as much as digits as its factorization.

242240303031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80746767680.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 242240303031 its reverse (130303042242), we get a palindrome (372543345273).

The spelling of 242240303031 in words is "two hundred forty-two billion, two hundred forty million, three hundred three thousand, thirty-one".