12613514831 has 2 divisors, whose sum is σ = 12613514832. Its totient is φ = 12613514830.

The previous prime is 12613514821. The next prime is 12613514909. The reversal of 12613514831 is 13841531621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12613514831 - 2¹⁰ = 12613513807 is a prime.

It is a super-2 number, since 2×12613514831² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12613514791 and 12613514800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12613514821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6306757415 + 6306757416.

It is an arithmetic number, because the mean of its divisors is an integer number (6306757416).

Almost surely, 2^12613514831 is an apocalyptic number.

12613514831 is a deficient number, since it is larger than the sum of its proper divisors (1).

12613514831 is an equidigital number, since it uses as much as digits as its factorization.

12613514831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The spelling of 12613514831 in words is "twelve billion, six hundred thirteen million, five hundred fourteen thousand, eight hundred thirty-one".