240143240231 has 4 divisors (see below), whose sum is σ = 245727966792. Its totient is φ = 234558513672.

The previous prime is 240143240219. The next prime is 240143240297. The reversal of 240143240231 is 132042341042.

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 240143240231 - 2³⁴ = 222963371047 is a prime.

It is a super-2 number, since 2×240143240231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240143240231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240143248231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2792363216 + ... + 2792363301.

It is an arithmetic number, because the mean of its divisors is an integer number (61431991698).

Almost surely, 2^240143240231 is an apocalyptic number.

240143240231 is a deficient number, since it is larger than the sum of its proper divisors (5584726561).

240143240231 is an equidigital number, since it uses as much as digits as its factorization.

240143240231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5584726560.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 240143240231 its reverse (132042341042), we get a palindrome (372185581273).

The spelling of 240143240231 in words is "two hundred forty billion, one hundred forty-three million, two hundred forty thousand, two hundred thirty-one".