321230012713 has 2 divisors, whose sum is σ = 321230012714. Its totient is φ = 321230012712.

The previous prime is 321230012699. The next prime is 321230012749. The reversal of 321230012713 is 317210032123.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305203212304 + 16026800409 = 552452^2 + 126597^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321230012713 is a prime.

It is not a weakly prime, because it can be changed into another prime (321230082713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160615006356 + 160615006357.

It is an arithmetic number, because the mean of its divisors is an integer number (160615006357).

Almost surely, 2^321230012713 is an apocalyptic number.

It is an amenable number.

321230012713 is a deficient number, since it is larger than the sum of its proper divisors (1).

321230012713 is an equidigital number, since it uses as much as digits as its factorization.

321230012713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 321230012713 its reverse (317210032123), we get a palindrome (638440044836).

The spelling of 321230012713 in words is "three hundred twenty-one billion, two hundred thirty million, twelve thousand, seven hundred thirteen".