103031133100321 has 2 divisors, whose sum is σ = 103031133100322. Its totient is φ = 103031133100320.

The previous prime is 103031133100319. The next prime is 103031133100349. The reversal of 103031133100321 is 123001331130301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83991524466721 + 19039608633600 = 9164689^2 + 4363440^2 .

It is a cyclic number.

It is not a de Polignac number, because 103031133100321 - 2¹ = 103031133100319 is a prime.

Together with 103031133100319, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 103031133100292 and 103031133100301.

It is not a weakly prime, because it can be changed into another prime (103031133104321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51515566550160 + 51515566550161.

It is an arithmetic number, because the mean of its divisors is an integer number (51515566550161).

Almost surely, 2^{103031133100321} is an apocalyptic number.

It is an amenable number.

103031133100321 is a deficient number, since it is larger than the sum of its proper divisors (1).

103031133100321 is an equidigital number, since it uses as much as digits as its factorization.

103031133100321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 103031133100321 its reverse (123001331130301), we get a palindrome (226032464230622).

The spelling of 103031133100321 in words is "one hundred three trillion, thirty-one billion, one hundred thirty-three million, one hundred thousand, three hundred twenty-one".