321310210123013 has 2 divisors, whose sum is σ = 321310210123014. Its totient is φ = 321310210123012.

The previous prime is 321310210122931. The next prime is 321310210123079. The reversal of 321310210123013 is 310321012013123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238138692018049 + 83171518104964 = 15431743^2 + 9119842^2 .

It is a cyclic number.

It is not a de Polignac number, because 321310210123013 - 2¹⁸ = 321310209860869 is a prime.

It is a super-2 number, since 2×321310210123013² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321310210123013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321310210153013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160655105061506 + 160655105061507.

It is an arithmetic number, because the mean of its divisors is an integer number (160655105061507).

Almost surely, 2^{321310210123013} is an apocalyptic number.

It is an amenable number.

321310210123013 is a deficient number, since it is larger than the sum of its proper divisors (1).

321310210123013 is an equidigital number, since it uses as much as digits as its factorization.

321310210123013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 321310210123013 its reverse (310321012013123), we get a palindrome (631631222136136).

The spelling of 321310210123013 in words is "three hundred twenty-one trillion, three hundred ten billion, two hundred ten million, one hundred twenty-three thousand, thirteen".