12434444003431 has 4 divisors (see below), whose sum is σ = 12516791314864. Its totient is φ = 12352096692000.

The previous prime is 12434444003417. The next prime is 12434444003441. The reversal of 12434444003431 is 13430044443421.

It is a happy number.

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 12434444003431 - 2⁴¹ = 10235420747879 is a prime.

It is a super-2 number, since 2×12434444003431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434444003441) 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, 41173655490 + ... + 41173655791.

It is an arithmetic number, because the mean of its divisors is an integer number (3129197828716).

Almost surely, 2^{12434444003431} is an apocalyptic number.

12434444003431 is a deficient number, since it is larger than the sum of its proper divisors (82347311433).

12434444003431 is an equidigital number, since it uses as much as digits as its factorization.

12434444003431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82347311432.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 12434444003431 its reverse (13430044443421), we get a palindrome (25864488446852).

The spelling of 12434444003431 in words is "twelve trillion, four hundred thirty-four billion, four hundred forty-four million, three thousand, four hundred thirty-one".