242430440331 has 32 divisors (see below), whose sum is σ = 340012569600. Its totient is φ = 153452565504.

The previous prime is 242430440309. The next prime is 242430440387. The reversal of 242430440331 is 133044034242.

It is a happy number.

It is not a de Polignac number, because 242430440331 - 2²⁶ = 242363331467 is a prime.

It is a super-2 number, since 2×242430440331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242430447331) 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 31 ways as a sum of consecutive naturals, for example, 5241595 + ... + 5287643.

It is an arithmetic number, because the mean of its divisors is an integer number (10625392800).

Almost surely, 2^242430440331 is an apocalyptic number.

242430440331 is a deficient number, since it is larger than the sum of its proper divisors (97582129269).

242430440331 is a wasteful number, since it uses less digits than its factorization.

242430440331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47235.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 242430440331 its reverse (133044034242), we get a palindrome (375474474573).

The spelling of 242430440331 in words is "two hundred forty-two billion, four hundred thirty million, four hundred forty thousand, three hundred thirty-one".