321430123102313 has 2 divisors, whose sum is σ = 321430123102314. Its totient is φ = 321430123102312.

The previous prime is 321430123102289. The next prime is 321430123102327. The reversal of 321430123102313 is 313201321034123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284663945328169 + 36766177774144 = 16871987^2 + 6063512^2 .

It is an emirp because it is prime and its reverse (313201321034123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321430123102313 - 2²⁸ = 321429854666857 is a prime.

It is a super-4 number, since 4×321430123102313⁴ (a number of 59 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (321430123192313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160715061551156 + 160715061551157.

It is an arithmetic number, because the mean of its divisors is an integer number (160715061551157).

Almost surely, 2^{321430123102313} is an apocalyptic number.

It is an amenable number.

321430123102313 is a deficient number, since it is larger than the sum of its proper divisors (1).

321430123102313 is an equidigital number, since it uses as much as digits as its factorization.

321430123102313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 321430123102313 its reverse (313201321034123), we get a palindrome (634631444136436).

The spelling of 321430123102313 in words is "three hundred twenty-one trillion, four hundred thirty billion, one hundred twenty-three million, one hundred two thousand, three hundred thirteen".