12333961831 has 2 divisors, whose sum is σ = 12333961832. Its totient is φ = 12333961830.

The previous prime is 12333961789. The next prime is 12333961901. The reversal of 12333961831 is 13816933321.

It is a weak prime.

It is an emirp because it is prime and its reverse (13816933321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12333961831 is a prime.

It is a super-2 number, since 2×12333961831² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12333961331) 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 as a sum of consecutive naturals, namely, 6166980915 + 6166980916.

It is an arithmetic number, because the mean of its divisors is an integer number (6166980916).

Almost surely, 2^12333961831 is an apocalyptic number.

12333961831 is a deficient number, since it is larger than the sum of its proper divisors (1).

12333961831 is an equidigital number, since it uses as much as digits as its factorization.

12333961831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The spelling of 12333961831 in words is "twelve billion, three hundred thirty-three million, nine hundred sixty-one thousand, eight hundred thirty-one".