431341310993 has 2 divisors, whose sum is σ = 431341310994. Its totient is φ = 431341310992.

The previous prime is 431341310977. The next prime is 431341311047. The reversal of 431341310993 is 399013143134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 378364002769 + 52977308224 = 615113^2 + 230168^2 .

It is a cyclic number.

It is not a de Polignac number, because 431341310993 - 2⁴ = 431341310977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 431341310993.

It is not a weakly prime, because it can be changed into another prime (431341310093) 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, 215670655496 + 215670655497.

It is an arithmetic number, because the mean of its divisors is an integer number (215670655497).

Almost surely, 2^431341310993 is an apocalyptic number.

It is an amenable number.

431341310993 is a deficient number, since it is larger than the sum of its proper divisors (1).

431341310993 is an equidigital number, since it uses as much as digits as its factorization.

431341310993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 41.

The spelling of 431341310993 in words is "four hundred thirty-one billion, three hundred forty-one million, three hundred ten thousand, nine hundred ninety-three".