321320100210103 has 2 divisors, whose sum is σ = 321320100210104. Its totient is φ = 321320100210102.

The previous prime is 321320100210079. The next prime is 321320100210107. The reversal of 321320100210103 is 301012001023123.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321320100210103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321320100210107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160660050105051 + 160660050105052.

It is an arithmetic number, because the mean of its divisors is an integer number (160660050105052).

Almost surely, 2^{321320100210103} is an apocalyptic number.

321320100210103 is a deficient number, since it is larger than the sum of its proper divisors (1).

321320100210103 is an equidigital number, since it uses as much as digits as its factorization.

321320100210103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 321320100210103 its reverse (301012001023123), we get a palindrome (622332101233226).

The spelling of 321320100210103 in words is "three hundred twenty-one trillion, three hundred twenty billion, one hundred million, two hundred ten thousand, one hundred three".