231224341013 has 2 divisors, whose sum is σ = 231224341014. Its totient is φ = 231224341012.

The previous prime is 231224341009. The next prime is 231224341039. The reversal of 231224341013 is 310143422132.

231224341013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (231224341039) can be obtained adding 231224341013 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206095116529 + 25129224484 = 453977^2 + 158522^2 .

It is a cyclic number.

It is not a de Polignac number, because 231224341013 - 2² = 231224341009 is a prime.

It is a super-2 number, since 2×231224341013² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231224341003) 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, 115612170506 + 115612170507.

It is an arithmetic number, because the mean of its divisors is an integer number (115612170507).

Almost surely, 2^231224341013 is an apocalyptic number.

It is an amenable number.

231224341013 is a deficient number, since it is larger than the sum of its proper divisors (1).

231224341013 is an equidigital number, since it uses as much as digits as its factorization.

231224341013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 231224341013 its reverse (310143422132), we get a palindrome (541367763145).

The spelling of 231224341013 in words is "two hundred thirty-one billion, two hundred twenty-four million, three hundred forty-one thousand, thirteen".