10204343321 has 2 divisors, whose sum is σ = 10204343322. Its totient is φ = 10204343320.

The previous prime is 10204343311. The next prime is 10204343329. The reversal of 10204343321 is 12334340201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9537670921 + 666672400 = 97661^2 + 25820^2 .

It is a cyclic number.

It is not a de Polignac number, because 10204343321 - 2¹⁰ = 10204342297 is a prime.

It is a super-2 number, since 2×10204343321² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10204343329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102171660 + 5102171661.

It is an arithmetic number, because the mean of its divisors is an integer number (5102171661).

Almost surely, 2^10204343321 is an apocalyptic number.

It is an amenable number.

10204343321 is a deficient number, since it is larger than the sum of its proper divisors (1).

10204343321 is an equidigital number, since it uses as much as digits as its factorization.

10204343321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 10204343321 its reverse (12334340201), we get a palindrome (22538683522).

The spelling of 10204343321 in words is "ten billion, two hundred four million, three hundred forty-three thousand, three hundred twenty-one".