240031042 has 8 divisors (see below), whose sum is σ = 364092300. Its totient is φ = 118666944.

The previous prime is 240031039. The next prime is 240031063. The reversal of 240031042 is 240130042.

It can be written as a sum of positive squares in 2 ways, for example, as 236575161 + 3455881 = 15381^2 + 1859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×240031042² = 115229802247211528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674067 + ... + 674422.

Almost surely, 2^240031042 is an apocalyptic number.

240031042 is a deficient number, since it is larger than the sum of its proper divisors (124061258).

240031042 is a wasteful number, since it uses less digits than its factorization.

240031042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348580.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 240031042 is about 15492.9352286776. The cubic root of 240031042 is about 621.4732930111.

Adding to 240031042 its reverse (240130042), we get a palindrome (480161084).

The spelling of 240031042 in words is "two hundred forty million, thirty-one thousand, forty-two".