12431225101313 has 2 divisors, whose sum is σ = 12431225101314. Its totient is φ = 12431225101312.

The previous prime is 12431225101303. The next prime is 12431225101319. The reversal of 12431225101313 is 31310152213421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8347176165904 + 4084048935409 = 2889148^2 + 2020903^2 .

It is a cyclic number.

It is not a de Polignac number, because 12431225101313 - 2⁶ = 12431225101249 is a prime.

It is a super-2 number, since 2×12431225101313² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12431225101319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215612550656 + 6215612550657.

It is an arithmetic number, because the mean of its divisors is an integer number (6215612550657).

Almost surely, 2^{12431225101313} is an apocalyptic number.

It is an amenable number.

12431225101313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12431225101313 is an equidigital number, since it uses as much as digits as its factorization.

12431225101313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 12431225101313 its reverse (31310152213421), we get a palindrome (43741377314734).

The spelling of 12431225101313 in words is "twelve trillion, four hundred thirty-one billion, two hundred twenty-five million, one hundred one thousand, three hundred thirteen".