10103200031321 has 2 divisors, whose sum is σ = 10103200031322. Its totient is φ = 10103200031320.

The previous prime is 10103200031261. The next prime is 10103200031339. The reversal of 10103200031321 is 12313000230101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10093735660096 + 9464371225 = 3177064^2 + 97285^2 .

It is an emirp because it is prime and its reverse (12313000230101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10103200031321 - 2⁶ = 10103200031257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10103200031321.

It is not a weakly prime, because it can be changed into another prime (10103200031021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051600015660 + 5051600015661.

It is an arithmetic number, because the mean of its divisors is an integer number (5051600015661).

Almost surely, 2^{10103200031321} is an apocalyptic number.

It is an amenable number.

10103200031321 is a deficient number, since it is larger than the sum of its proper divisors (1).

10103200031321 is an equidigital number, since it uses as much as digits as its factorization.

10103200031321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10103200031321 its reverse (12313000230101), we get a palindrome (22416200261422).

The spelling of 10103200031321 in words is "ten trillion, one hundred three billion, two hundred million, thirty-one thousand, three hundred twenty-one".