12513250331 has 2 divisors, whose sum is σ = 12513250332. Its totient is φ = 12513250330.

The previous prime is 12513250279. The next prime is 12513250369. The reversal of 12513250331 is 13305231521.

12513250331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12513250331 is a prime.

It is a super-2 number, since 2×12513250331² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12513250331.

It is not a weakly prime, because it can be changed into another prime (12513250931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256625165 + 6256625166.

It is an arithmetic number, because the mean of its divisors is an integer number (6256625166).

Almost surely, 2^12513250331 is an apocalyptic number.

12513250331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12513250331 is an equidigital number, since it uses as much as digits as its factorization.

12513250331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 12513250331 its reverse (13305231521), we get a palindrome (25818481852).

The spelling of 12513250331 in words is "twelve billion, five hundred thirteen million, two hundred fifty thousand, three hundred thirty-one".