321213202002349 has 2 divisors, whose sum is σ = 321213202002350. Its totient is φ = 321213202002348.

The previous prime is 321213202002323. The next prime is 321213202002379. The reversal of 321213202002349 is 943200202312123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 291969225629449 + 29243976372900 = 17087107^2 + 5407770^2 .

It is a cyclic number.

It is not a de Polignac number, because 321213202002349 - 2¹⁹ = 321213201478061 is a prime.

It is a super-2 number, since 2×321213202002349² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321213202002379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160606601001174 + 160606601001175.

It is an arithmetic number, because the mean of its divisors is an integer number (160606601001175).

Almost surely, 2^{321213202002349} is an apocalyptic number.

It is an amenable number.

321213202002349 is a deficient number, since it is larger than the sum of its proper divisors (1).

321213202002349 is an equidigital number, since it uses as much as digits as its factorization.

321213202002349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 321213202002349 in words is "three hundred twenty-one trillion, two hundred thirteen billion, two hundred two million, two thousand, three hundred forty-nine".