103033313321 has 4 divisors (see below), whose sum is σ = 103572754944. Its totient is φ = 102493871700.

The previous prime is 103033313263. The next prime is 103033313347. The reversal of 103033313321 is 123313330301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103033313321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103033313021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269720525 + ... + 269720906.

It is an arithmetic number, because the mean of its divisors is an integer number (25893188736).

Almost surely, 2^103033313321 is an apocalyptic number.

It is an amenable number.

103033313321 is a deficient number, since it is larger than the sum of its proper divisors (539441623).

103033313321 is an equidigital number, since it uses as much as digits as its factorization.

103033313321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539441622.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 103033313321 its reverse (123313330301), we get a palindrome (226346643622).

The spelling of 103033313321 in words is "one hundred three billion, thirty-three million, three hundred thirteen thousand, three hundred twenty-one".