240433143231 has 8 divisors (see below), whose sum is σ = 320649565824. Its totient is φ = 160252741400.

The previous prime is 240433143227. The next prime is 240433143323. The reversal of 240433143231 is 132341334042.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 240433143231 - 2² = 240433143227 is a prime.

It is a super-2 number, since 2×240433143231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240433043231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8989611 + ... + 9016316.

It is an arithmetic number, because the mean of its divisors is an integer number (40081195728).

Almost surely, 2^240433143231 is an apocalyptic number.

240433143231 is a deficient number, since it is larger than the sum of its proper divisors (80216422593).

240433143231 is a wasteful number, since it uses less digits than its factorization.

240433143231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18010381.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 240433143231 its reverse (132341334042), we get a palindrome (372774477273).

The spelling of 240433143231 in words is "two hundred forty billion, four hundred thirty-three million, one hundred forty-three thousand, two hundred thirty-one".