103322321281 has 2 divisors, whose sum is σ = 103322321282. Its totient is φ = 103322321280.

The previous prime is 103322321261. The next prime is 103322321303. The reversal of 103322321281 is 182123223301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102620919025 + 701402256 = 320345^2 + 26484^2 .

It is an emirp because it is prime and its reverse (182123223301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103322321281 - 2²¹ = 103320224129 is a prime.

It is a super-2 number, since 2×103322321281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103322321261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51661160640 + 51661160641.

It is an arithmetic number, because the mean of its divisors is an integer number (51661160641).

Almost surely, 2^103322321281 is an apocalyptic number.

It is an amenable number.

103322321281 is a deficient number, since it is larger than the sum of its proper divisors (1).

103322321281 is an equidigital number, since it uses as much as digits as its factorization.

103322321281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 103322321281 its reverse (182123223301), we get a palindrome (285445544582).

The spelling of 103322321281 in words is "one hundred three billion, three hundred twenty-two million, three hundred twenty-one thousand, two hundred eighty-one".