240231001 has 2 divisors, whose sum is σ = 240231002. Its totient is φ = 240231000.

The previous prime is 240230999. The next prime is 240231077. The reversal of 240231001 is 100132042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129960000 + 110271001 = 11400^2 + 10501^2 .

It is a cyclic number.

It is not a de Polignac number, because 240231001 - 2¹ = 240230999 is a prime.

Together with 240230999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (240231601) by changing a digit.

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 as a sum of consecutive naturals, namely, 120115500 + 120115501.

It is an arithmetic number, because the mean of its divisors is an integer number (120115501).

Almost surely, 2^240231001 is an apocalyptic number.

It is an amenable number.

240231001 is a deficient number, since it is larger than the sum of its proper divisors (1).

240231001 is an equidigital number, since it uses as much as digits as its factorization.

240231001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 240231001 is about 15499.3871169153. The cubic root of 240231001 is about 621.6458188720.

Adding to 240231001 its reverse (100132042), we get a palindrome (340363043).

The spelling of 240231001 in words is "two hundred forty million, two hundred thirty-one thousand, one".