103240424131321 has 2 divisors, whose sum is σ = 103240424131322. Its totient is φ = 103240424131320.

The previous prime is 103240424131289. The next prime is 103240424131379. The reversal of 103240424131321 is 123131424042301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91751110542400 + 11489313588921 = 9578680^2 + 3389589^2 .

It is a cyclic number.

It is not a de Polignac number, because 103240424131321 - 2⁵ = 103240424131289 is a prime.

It is not a weakly prime, because it can be changed into another prime (103240424161321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51620212065660 + 51620212065661.

It is an arithmetic number, because the mean of its divisors is an integer number (51620212065661).

Almost surely, 2^{103240424131321} is an apocalyptic number.

It is an amenable number.

103240424131321 is a deficient number, since it is larger than the sum of its proper divisors (1).

103240424131321 is an equidigital number, since it uses as much as digits as its factorization.

103240424131321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 103240424131321 its reverse (123131424042301), we get a palindrome (226371848173622).

The spelling of 103240424131321 in words is "one hundred three trillion, two hundred forty billion, four hundred twenty-four million, one hundred thirty-one thousand, three hundred twenty-one".