103211304257 has 2 divisors, whose sum is σ = 103211304258. Its totient is φ = 103211304256.

The previous prime is 103211304167. The next prime is 103211304359. The reversal of 103211304257 is 752403112301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101537185201 + 1674119056 = 318649^2 + 40916^2 .

It is an emirp because it is prime and its reverse (752403112301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103211304257 is a prime.

It is not a weakly prime, because it can be changed into another prime (103211304457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51605652128 + 51605652129.

It is an arithmetic number, because the mean of its divisors is an integer number (51605652129).

Almost surely, 2^103211304257 is an apocalyptic number.

It is an amenable number.

103211304257 is a deficient number, since it is larger than the sum of its proper divisors (1).

103211304257 is an equidigital number, since it uses as much as digits as its factorization.

103211304257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 103211304257 its reverse (752403112301), we get a palindrome (855614416558).

The spelling of 103211304257 in words is "one hundred three billion, two hundred eleven million, three hundred four thousand, two hundred fifty-seven".