103312030031321 has 2 divisors, whose sum is σ = 103312030031322. Its totient is φ = 103312030031320.

The previous prime is 103312030031299. The next prime is 103312030031347. The reversal of 103312030031321 is 123130030213301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91100248176025 + 12211781855296 = 9544645^2 + 3494536^2 .

It is a cyclic number.

It is not a de Polignac number, because 103312030031321 - 2¹⁴ = 103312030014937 is a prime.

It is not a weakly prime, because it can be changed into another prime (103312030031921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51656015015660 + 51656015015661.

It is an arithmetic number, because the mean of its divisors is an integer number (51656015015661).

Almost surely, 2^{103312030031321} is an apocalyptic number.

It is an amenable number.

103312030031321 is a deficient number, since it is larger than the sum of its proper divisors (1).

103312030031321 is an equidigital number, since it uses as much as digits as its factorization.

103312030031321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 103312030031321 its reverse (123130030213301), we get a palindrome (226442060244622).

The spelling of 103312030031321 in words is "one hundred three trillion, three hundred twelve billion, thirty million, thirty-one thousand, three hundred twenty-one".