312341231513 has 2 divisors, whose sum is σ = 312341231514. Its totient is φ = 312341231512.

The previous prime is 312341231491. The next prime is 312341231533. The reversal of 312341231513 is 315132143213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 302684828224 + 9656403289 = 550168^2 + 98267^2 .

It is a cyclic number.

It is not a de Polignac number, because 312341231513 - 2²⁶ = 312274122649 is a prime.

It is not a weakly prime, because it can be changed into another prime (312341231533) 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, 156170615756 + 156170615757.

It is an arithmetic number, because the mean of its divisors is an integer number (156170615757).

Almost surely, 2^312341231513 is an apocalyptic number.

It is an amenable number.

312341231513 is a deficient number, since it is larger than the sum of its proper divisors (1).

312341231513 is an equidigital number, since it uses as much as digits as its factorization.

312341231513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

Adding to 312341231513 its reverse (315132143213), we get a palindrome (627473374726).

The spelling of 312341231513 in words is "three hundred twelve billion, three hundred forty-one million, two hundred thirty-one thousand, five hundred thirteen".