12432511312331 has 16 divisors (see below), whose sum is σ = 15116366136960. Its totient is φ = 10077577418880.

The previous prime is 12432511312283. The next prime is 12432511312379. The reversal of 12432511312331 is 13321311523421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12432511312283) and next prime (12432511312379).

It is a de Polignac number, because none of the positive numbers 2^k-12432511312331 is a prime.

It is a super-2 number, since 2×12432511312331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12432511612331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1749575861 + ... + 1749582966.

It is an arithmetic number, because the mean of its divisors is an integer number (944772883560).

Almost surely, 2^{12432511312331} is an apocalyptic number.

12432511312331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12432511312331 is a deficient number, since it is larger than the sum of its proper divisors (2683854824629).

12432511312331 is a wasteful number, since it uses less digits than its factorization.

12432511312331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499158874.

The product of its digits is 12960, while the sum is 32.

Adding to 12432511312331 its reverse (13321311523421), we get a palindrome (25753822835752).

The spelling of 12432511312331 in words is "twelve trillion, four hundred thirty-two billion, five hundred eleven million, three hundred twelve thousand, three hundred thirty-one".