12240341431 has 4 divisors (see below), whose sum is σ = 12662422200. Its totient is φ = 11818260664.

The previous prime is 12240341417. The next prime is 12240341441. The reversal of 12240341431 is 13414304221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12240341431 is a prime.

It is a super-2 number, since 2×12240341431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12240341396 and 12240341405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12240341401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211040341 + ... + 211040398.

It is an arithmetic number, because the mean of its divisors is an integer number (3165605550).

Almost surely, 2^12240341431 is an apocalyptic number.

12240341431 is a deficient number, since it is larger than the sum of its proper divisors (422080769).

12240341431 is an equidigital number, since it uses as much as digits as its factorization.

12240341431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422080768.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12240341431 its reverse (13414304221), we get a palindrome (25654645652).

The spelling of 12240341431 in words is "twelve billion, two hundred forty million, three hundred forty-one thousand, four hundred thirty-one".