12031230313 has 2 divisors, whose sum is σ = 12031230314. Its totient is φ = 12031230312.

The previous prime is 12031230311. The next prime is 12031230359. The reversal of 12031230313 is 31303213021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8440464384 + 3590765929 = 91872^2 + 59923^2 .

It is an emirp because it is prime and its reverse (31303213021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12031230313 - 2¹ = 12031230311 is a prime.

Together with 12031230311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12031230311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015615156 + 6015615157.

It is an arithmetic number, because the mean of its divisors is an integer number (6015615157).

Almost surely, 2^12031230313 is an apocalyptic number.

It is an amenable number.

12031230313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031230313 is an equidigital number, since it uses as much as digits as its factorization.

12031230313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12031230313 its reverse (31303213021), we get a palindrome (43334443334).

The spelling of 12031230313 in words is "twelve billion, thirty-one million, two hundred thirty thousand, three hundred thirteen".