242040410531 has 2 divisors, whose sum is σ = 242040410532. Its totient is φ = 242040410530.

The previous prime is 242040410489. The next prime is 242040410569. The reversal of 242040410531 is 135014040242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242040410531 - 2¹⁸ = 242040148387 is a prime.

It is a super-3 number, since 3×242040410531³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 242040410531.

It is not a weakly prime, because it can be changed into another prime (242040410431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121020205265 + 121020205266.

It is an arithmetic number, because the mean of its divisors is an integer number (121020205266).

Almost surely, 2^242040410531 is an apocalyptic number.

242040410531 is a deficient number, since it is larger than the sum of its proper divisors (1).

242040410531 is an equidigital number, since it uses as much as digits as its factorization.

242040410531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 242040410531 its reverse (135014040242), we get a palindrome (377054450773).

The spelling of 242040410531 in words is "two hundred forty-two billion, forty million, four hundred ten thousand, five hundred thirty-one".