431315513113 has 2 divisors, whose sum is σ = 431315513114. Its totient is φ = 431315513112.

The previous prime is 431315513093. The next prime is 431315513149. The reversal of 431315513113 is 311315513134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 425817587209 + 5497925904 = 652547^2 + 74148^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431315513113 is a prime.

It is not a weakly prime, because it can be changed into another prime (431315513173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215657756556 + 215657756557.

It is an arithmetic number, because the mean of its divisors is an integer number (215657756557).

Almost surely, 2^431315513113 is an apocalyptic number.

It is an amenable number.

431315513113 is a deficient number, since it is larger than the sum of its proper divisors (1).

431315513113 is an equidigital number, since it uses as much as digits as its factorization.

431315513113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 31.

The spelling of 431315513113 in words is "four hundred thirty-one billion, three hundred fifteen million, five hundred thirteen thousand, one hundred thirteen".