12431241011 has 4 divisors (see below), whose sum is σ = 14207132592. Its totient is φ = 10655349432.

The previous prime is 12431240989. The next prime is 12431241013. The reversal of 12431241011 is 11014213421.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-12431241011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12431241013) 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, 887945780 + ... + 887945793.

It is an arithmetic number, because the mean of its divisors is an integer number (3551783148).

Almost surely, 2^12431241011 is an apocalyptic number.

12431241011 is a deficient number, since it is larger than the sum of its proper divisors (1775891581).

12431241011 is an equidigital number, since it uses as much as digits as its factorization.

12431241011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775891580.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12431241011 its reverse (11014213421), we get a palindrome (23445454432).

The spelling of 12431241011 in words is "twelve billion, four hundred thirty-one million, two hundred forty-one thousand, eleven".