103120430321 has 2 divisors, whose sum is σ = 103120430322. Its totient is φ = 103120430320.

The previous prime is 103120430299. The next prime is 103120430353. The reversal of 103120430321 is 123034021301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88197120400 + 14923309921 = 296980^2 + 122161^2 .

It is a cyclic number.

It is not a de Polignac number, because 103120430321 - 2³⁴ = 85940561137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103120430293 and 103120430302.

It is not a weakly prime, because it can be changed into another prime (103120430821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51560215160 + 51560215161.

It is an arithmetic number, because the mean of its divisors is an integer number (51560215161).

Almost surely, 2^103120430321 is an apocalyptic number.

It is an amenable number.

103120430321 is a deficient number, since it is larger than the sum of its proper divisors (1).

103120430321 is an equidigital number, since it uses as much as digits as its factorization.

103120430321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 103120430321 its reverse (123034021301), we get a palindrome (226154451622).

The spelling of 103120430321 in words is "one hundred three billion, one hundred twenty million, four hundred thirty thousand, three hundred twenty-one".