103033321 has 2 divisors, whose sum is σ = 103033322. Its totient is φ = 103033320.

The previous prime is 103033319. The next prime is 103033339. The reversal of 103033321 is 123330301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101505625 + 1527696 = 10075^2 + 1236^2 .

It is a cyclic number.

It is not a de Polignac number, because 103033321 - 2¹ = 103033319 is a prime.

Together with 103033319, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 103033295 and 103033304.

It is not a weakly prime, because it can be changed into another prime (103033361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51516660 + 51516661.

It is an arithmetic number, because the mean of its divisors is an integer number (51516661).

Almost surely, 2^103033321 is an apocalyptic number.

It is an amenable number.

103033321 is a deficient number, since it is larger than the sum of its proper divisors (1).

103033321 is an equidigital number, since it uses as much as digits as its factorization.

103033321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 103033321 is about 10150.5330401905. The cubic root of 103033321 is about 468.8053574682.

Adding to 103033321 its reverse (123330301), we get a palindrome (226363622).

The spelling of 103033321 in words is "one hundred three million, thirty-three thousand, three hundred twenty-one".