240131431011 has 32 divisors (see below), whose sum is σ = 348806304000. Its totient is φ = 146437355520.

The previous prime is 240131430991. The next prime is 240131431027. The reversal of 240131431011 is 110134131042.

It is not a de Polignac number, because 240131431011 - 2¹⁹ = 240130906723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240131431081) 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, 302961 + ... + 756338.

It is an arithmetic number, because the mean of its divisors is an integer number (10900197000).

Almost surely, 2^240131431011 is an apocalyptic number.

240131431011 is a deficient number, since it is larger than the sum of its proper divisors (108674872989).

240131431011 is a wasteful number, since it uses less digits than its factorization.

240131431011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059459.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 240131431011 its reverse (110134131042), we get a palindrome (350265562053).

The spelling of 240131431011 in words is "two hundred forty billion, one hundred thirty-one million, four hundred thirty-one thousand, eleven".