10103303020321 has 4 divisors (see below), whose sum is σ = 11546632023232. Its totient is φ = 8659974017412.

The previous prime is 10103303020319. The next prime is 10103303020379. The reversal of 10103303020321 is 12302030330101.

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 not a de Polignac number, because 10103303020321 - 2¹ = 10103303020319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10103303020381) 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, 721664501445 + ... + 721664501458.

It is an arithmetic number, because the mean of its divisors is an integer number (2886658005808).

Almost surely, 2^{10103303020321} is an apocalyptic number.

It is an amenable number.

10103303020321 is a deficient number, since it is larger than the sum of its proper divisors (1443329002911).

10103303020321 is an equidigital number, since it uses as much as digits as its factorization.

10103303020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443329002910.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 10103303020321 its reverse (12302030330101), we get a palindrome (22405333350422).

The spelling of 10103303020321 in words is "ten trillion, one hundred three billion, three hundred three million, twenty thousand, three hundred twenty-one".