321340043159 has 2 divisors, whose sum is σ = 321340043160. Its totient is φ = 321340043158.

The previous prime is 321340043081. The next prime is 321340043201. The reversal of 321340043159 is 951340043123.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321340043159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321340043659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160670021579 + 160670021580.

It is an arithmetic number, because the mean of its divisors is an integer number (160670021580).

Almost surely, 2^321340043159 is an apocalyptic number.

321340043159 is a deficient number, since it is larger than the sum of its proper divisors (1).

321340043159 is an equidigital number, since it uses as much as digits as its factorization.

321340043159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 321340043159 in words is "three hundred twenty-one billion, three hundred forty million, forty-three thousand, one hundred fifty-nine".