13212433231 has 2 divisors, whose sum is σ = 13212433232. Its totient is φ = 13212433230.

The previous prime is 13212433219. The next prime is 13212433343. The reversal of 13212433231 is 13233421231.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13212433231 is a prime.

It is a super-2 number, since 2×13212433231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13212433196 and 13212433205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13212433831) 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, 6606216615 + 6606216616.

It is an arithmetic number, because the mean of its divisors is an integer number (6606216616).

Almost surely, 2^13212433231 is an apocalyptic number.

13212433231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13212433231 is an equidigital number, since it uses as much as digits as its factorization.

13212433231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

Adding to 13212433231 its reverse (13233421231), we get a palindrome (26445854462).

The spelling of 13212433231 in words is "thirteen billion, two hundred twelve million, four hundred thirty-three thousand, two hundred thirty-one".